Think you'd like to see aliens make contact with Earth?Â Stephen Hawking might get you to think again.
Aliens, the way he sees it, might be traveling the cosmosÂ right now - not for exploration's sake but because they've run out of resources at home.
And if they're flying around looking for resources, guess what their intentionsÂ would beÂ if they see Earth?
The five most popular CNN.com stories during the past 24 hours, according to Newspulse.
Lindsay Lohan's daddy drama heats up: Lindsay Lohan's battle with her father took another turn this week when Michael Lohan persuaded a sheriff's deputy to help him enter her Hollywood home to check on.
Economists: The stimulus didnâ€™t help: The recovery is picking up steam as employers boost payrolls, but economists think the government's stimulus package and jobs bill had little to do with the rebound.
Publicist: Bret Michaels still critical: Rock singer and reality TV personality Bret Michaels remained in critical condition Sunday in a hospital intensive care unit, his publicist said.
On H1N1 anniversary, a mother regrets: A year ago, scientists from the Centers for Disease Control and Prevention revealed that they had discovered a new flu strain that was sickening the young and healthy.
New immigration law worries Arizona soldier: At a vigil protesting the passage of Arizona's tough new illegal immigration law, a young man in Army fatigues and a beret lit a candle at a makeshift shrine.
Paraguay's president on Monday defended an emergency decree that temporarily suspends some civil rights in the north of the country. "I want to make it clear, extremely clear, that no constitutional right is suspended with this measure," President Fernando Lugo said, according to the state-run news agency.
A look at highlights from the day's business news:
Dow hits 19-month high
The Dow managed to eke out a fresh 19-month high Monday on Caterpillar's strong earnings, but a selloff in financials hit the broader market at the start of a busy week on Wall Street.
The Dow Jones industrial average ended just above unchanged, with Caterpillar and a few other stocks countering the weakness in financials.
The S&P 500 index lost 5 points, or 0.4 percent, after ending Friday's session at a 19-month high.
The Nasdaq composite lost 7 points, or 0.3 percent, after ending the previous session at the highest point in almost two years.Â Â Â Â Â Â
Goldman Sachs CEO Lloyd Blankfein will testify Tuesday that his firm didn't mislead investors and didn't bet against the housing market, according to his opening remarks released Monday.
"We didn't have a massive short against the housing market and we certainly did not bet against our clients," Blankfein said in remarks prepared for Tuesday's testimony, which he will give before the Permanent Senate Subcommittee on Investigations.
Goldman Sachs is accused by the Securities and Exchange Commission of failing to tell investors that hedge fund Paulson & Co. helped select securities for a portfolio that it was also betting against.
The British ambassador to Yemen survived an apparent suicide bomb attack Monday on his convoy in the capital, Sanaa, the British government and Yemen Embassy in Washington said.
"There was (a) small explosion beside the British ambassador's car. He was unhurt. No other embassy staff or British nationals were injured," said a statement by the British Foreign and Commonwealth Office.
[Updated at 6:27 p.m.] Read the full CNN.com story
[Updated at 5:16 p.m.] Secretary of State Hillary Clinton signed a surrender warrant, which was the last step to make Noriega's extradition possible, State Department spokesman Charles Luoma-Overstreet told CNN.
Noriega, who has been in U.S. custody since serving a sentence here, was placed aboard an Air France flight to Paris by U.S. marshals Monday afternoon, a senior federal law enforcement officer told CNN.
[Posted at 5:09 p.m.] Former Panamanian dictator Manuel Noriega was cleared by the United States for extradition to France, the State Department said Monday.
Islamist militants have converged along the edge of a Somali pirate town, preparing for a possible face off with a group that rejects al Qaeda, a local journalist and witnesses told CNN Monday.
While one witness said the government-aligned Ahlu Sunna Wal Jamma militia stopped Al-Shabaab fighters, CNN could not immediately confirm that report from the remote pirate town of Haradhere.
However, several witnesses and a spokesman for Ahlu Sunna insisted Al-Shabaab was still outside town, saying village elders told the Islamist militants to stay out.
An Iraqi electoral appeals panel on Monday announced the disqualification of 52 candidates in last month's elections, throwing another stumbling block into the country's effort to form a government.
The candidates, who are alleged to have ties to Saddam Hussein's former Baath Party, were disqualified in an appeal filed by the Accountability and Justice Commission. The AJC is a government body charged with purging members of the former regime from political life.
Itâ€™s the new secret weapon fueling the US military. A hardy plant capable of growing in poor soil, camelina sativa produces a bio-fuel thatâ€™s now the focus of the US Navyâ€™s drive for alternative fuels in its planes.
Last week an F/A-18 Super Hornet flew from the Naval Air Station at Patuxent River, Md., powered by a 50/50 mix of aviation fuel and camelina, also known as wild flax. It was the first supersonic fighter to fly on a bio-fuel mix. The event was celebrated by US Navy Secretary Ray Mabus on the Navyâ€™s new official blog, also launched last week .
Officials say that during the 45-minute flight the planeâ€™s engines worked as well on the camelina fuel as on normal aviation fuel â€“ at both subsonic and supersonic speeds.
â€śThe fuel works so well, all I needed to do was just fly the plane.â€ť the planeâ€™s pilot, Lt. Cmdr. Tom Weaver said. Mabus describes the program a â€śsignificant milestoneâ€ť toward operational use of bio-fuels by the Navy.
President Barack Obama joined a meeting Monday between Israeli Defense Minister Ehud Barak and National Security Adviser James Jones to reaffirm U.S. policy regarding Israel and Middle East peace talks, the White House announced.
Obama's schedule for Monday didn't mention the meeting, and White House press secretary Robert Gibbs said the president "dropped in" on the two men.
According to Gibbs, Obama and Barak discussed how to move the peace process forward.
CIA Director Leon Panetta unveiled a blueprint today for his Agencyâ€™s future.
Calling it CIA 2015, the plan follows three basic pillars: investing in people (including boosting the Agencyâ€™s foreign language capabilities); investing more heavily in technology; and becoming more agile when it comes to both the Agencyâ€™s presence around the world, and having the capability to respond to emergencies.
Ben Roethlisberger made his first statement since being suspended six games by the NFL for violating the league's personal conduct policy.
The statement posted on the Pittsburgh Steelers website says:
"The Commissionerâ€™s decision to suspend me speaks clearly that more is expected of me. I am accountable for the consequences of my actions. Though I have committed no crime, I regret that I have fallen short of the values instilled in me by my family. I will not appeal the suspension and will comply with what is asked of me â”€ and more.
A federal appeals court has certified the largest class action lawsuit in U.S. history, in a long-standing dispute against retailer Wal-Mart Stores Inc. over alleged gender bias in pay and promotions.
This story is developing. We'll bring you the latest information as we get it.
American missionary Laura Silsby will stand trial in Haiti on a charge of arranging irregular travel, a judge ruled Monday, but more serious charges against her and nine fellow missionaries were dropped.
Even from more than 21,000 feet up the world's tallest mountain, 13-year-old Jordan Romero couldn't resist the opportunity to greet his mother in a live television broadcast Monday.
[Updated at 1:26 p.m.] The king of Belgium accepted the resignation of Belgian Prime Minister Yves Leterme Monday, the government press office told CNN.
The acceptance of his resignation signals the collapse of Leterme's government.
The prime minister offered to step down after a Flemish liberal party withdrew from a coalition government, according to news reports.
With the NFL Draft in the rearview mirror â€“ check out SI.comâ€™s Peter King for an extensive recap column â€“ the immediate focus of sports fans turns to the NBA and NHL playoffs. The Monday schedule for the NHL is particularly terrific. The highlights (all times Eastern):
Capitals at Canadians (7:00 p.m., Versus)
Montreal has lost its last six games at home but has stayed alive by beating top-seeded and Presidentsâ€™ Trophy-winning Washington on the road including a huge 2-1 win in Game 5. The Caps lead the series 3-2.
Sabres at Bruins (7:00 p.m., CBC)
The Bruins lead the series 3-2 and can eliminate the Sabres tonight. Boston has won its last four home games, including two in the playoffs.
[Updated at 12:38 p.m.] Five family members who had been missing in northern Idaho were found safe on Monday morning, a police spokeswoman in Coeur d'Alene said.
Their car apparently got stuck on a dirt road in the woods, she said.
[Posted at 12:16 p.m.] Search crews in Idaho were looking Monday for an elderly couple and their three grandchildren, who have been missing for a day.
Neil and Connie Bigelow picked up the three with plans to take them to a lake to skip rocks Sunday afternoon, but they have not been seen since, police in Coeur d'Alene, Idaho, said Monday.