The Space Shuttle Discovery is ready for its final flight to the International Space Station Thursday, say NASA officials.
Geomagnetic storm: A true monster storm has the potential to wreak havoc on a global scale, knocking out communications systems, endangering satellites and astronauts and causing perhaps trillions of dollars in damages.
Researchers calculated the orbits of 40,000 low-mass M-dwarf stars and found 18 that may come dangerously close to our cosmic neighborhood in the next billion years. While the chances of this actually happening are probably slim, researchers said, the results could be dramatic.
Solar flare: A massive blast of charged particles ejected from the sun Monday has triggered a geomagnetic storm that is disrupting radio communications.
A massive fireball lit up the daytime sky over much of the East Coast on Monday, as what was most likely a meteor burned up in the earth's atmosphere.
A spinning black hole would swirl the very fabric of space and time around it, as well as distorting the photons that pass nearby.
Toyota recall: NASA says that the 'sticky' accelerator pedals that killed at least 50 people and led to a recall of nearly 8 million cars last year were not the result of faulty electronics.
Oldest galaxy: Astronomers using the Hubble telescope have detected a galaxy that formed just 500 million years after the Big Bang, making it the most distant and oldest galaxy discovered so far.
British scientist Simon Conway Morris believes there are only two possibilities for alien life; either we're alone or aliens exist, and they are out to get us.
The planet Kepler-10b, spotted by NASA's planet-hunting space telescope, is just 1.4 times larger than Earth.