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.
Some experts are calling for an international code of conduct for spacefaring nations. But defining misconduct isn't easy.
Crab Nebula has provided astronomers with a steady presence in space. But, as recently as last September, gamma-ray flares emanated from the famous Crab Nebula, causing scientists to reconsider the burial ground of a dead star.
Solar Eclipse: In Rome, cloudy skies made the Jan. 4 solar eclipse a touch eerie as the moon appeared to take a bite out of the sun during the three-hour eclipse.