California quake was centered 28 miles south of Palm Springs and was related to the powerful Easter Day quake, but was not an aftershock.
Hurricane Alex has pushed oil from the BP Gulf oil spill spill onto Gulf coast beaches, with some tar balls as large as apples.
Astronomers have discovered 14 failed stars, or brown dwarfs, that are only 350 to 620 degrees Fahrenheit. Compare this with the 10,000-degree blazing awesomeness of our sun.
California earthquake: NASA radar images show that the powerful quake that struck Baja California in April moved Calexico, a city on the US-Mexico border, some 31 inches to the south.
Ocean conveyor belt theory, which posits that warm surface water flows poleward from the tropics and cools, where it then sinks and flows back to the equator, is incorporating some surprising twists and turns.
The Hayabusa space capsule, which parachuted into the Australian Outback after a seven-year, billion-mile journey to the asteroid Itokawa and back, is now heading back to Japan for analysis.
From a list of 60, there are now four potential exploration sites for a future Mars probe, scheduled to launch next year.
A small object that buzzed our planet this month is likely a spent rocket stage, and not an asteroid, NASA officials said Thursday.
It's official: NASA has declared its Phoenix Mars Lander, which fell silent in November 2008, officially broken.
The images of these star-nurseries were taken by NASA's Wide-field Infrared Survey Explorer, or WISE, space telescope, which is about three-fourths of the way through it's infrared scan of the entire sky.