Scientists say that Mars went through three ages, and the first age may have been habitable for life as we know it. Each stage on Mars can be found at nine different locations around the planet Earth today.
Life on Mars: A new study has identified a spot that could be a good place to search for fossilized remains of life on Mars.
Teen sailor Abby Sunderland has done more by age 16 than most people do in their entire lives. A winter storm ended her solo sail around the world, but she’s apparently not through yet.
With some 1,200 offshore oil rigs operating today, oil spills are still relatively rare. But experts warn that safety procedures and cleanup methods have not kept pace with drilling at ever-deeper depths.
Australia's Labor government, which recently fell behind in the polls for the first time since taking power, has imposed a freeze on asylum seekers from Afghanistan and Sri Lanka.
The recent deaths of several Australia Aboriginal prisoners in custody has sparked fresh criticism over the state's perceived failure to heed longstanding recommendations of a royal commission on the issue.
On April 26, weathered oil is seen near the coast of Louisiana from a leaking pipeline that resulted from an explosion on a Deepwater Horizon offshore oil rig. Crews are working with robot submarines to activate a shutoff device known as a blowout preventer to close off the flow of oil at the sunken rig's well head. Hundreds of miles of marshes, barrier islands, and white sand beaches are threatened by the approaching oil in the Gulf of Mexico.