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Rosetta’s comet reappears from behind the sun
It's back! The target comet of ESA’s Rosetta mission disappeared behind the sun and out of the Earth’s view last October. Comet 67P/Churyumov-Gerasimenko can now be seen again.
March 11, 2014
Death stars in Orion blast planets before they even form
Young stars in the Orion Nebula get their potential planet-forming dust and gas blasted away if they're near enough to 'death stars' - massive O-type stars that emit fierce ultraviolet radiation.
March 10, 2014
A telescope bigger than a galaxy
Astronomers have figured out how to use the gravity of distant galaxies to bend light and magnify images, forming gigantic telescopes that see deeper into the cosmos than ever before.
March 10, 2014
Watch a near-Earth asteroid online Sunday night
Asteroid 2014 CU13 will pass about 8 lunar distances (2 million miles or 3 million km) away. Both the Virtual Telescope Project and Slooh will be broadcasting.
March 8, 2014
Cosmos is coming Sunday night
If you watch this three-minute long trailer for the new Cosmos without wanting to tune in to the whole series ... you are made of sterner stuff than me.
March 8, 2014
Planet X still doesn’t exist
Astronomers have searched for a Planet X for over a century. Now NASA's WISE mission suggests Planet X will never be found.
March 7, 2014
A river of plasma guards us from solar storms
MIT scientists identify a plasma plume that naturally protects the Earth against high-energy solar activity.
March 6, 2014
Hubble Telescope sees asteroid mysteriously break in pieces
Asteroid P/2013 R3 has been caught in the act of breaking into pieces. This is the first time astronomers have seen an asteroid break up.
March 6, 2014
Another asteroid flies through Earth-moon system on Thursday
For the second time in two days, an asteroid is sweeping safely through the Earth-moon system. How to watch online.
March 6, 2014
Monster black hole spins at half the speed of light
Light speed is about 300,000 kilometers per second (186,000 miles per second), so this black hole is spinning almost unbelievably fast.
March 5, 2014
