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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
Every red dwarf star has at least one planet, says new study
Red dwarfs make up at least three quarters of the stars in the universe. A new study suggests that virtually all red dwarfs have planets orbiting them.
March 4, 2014
Spiral galaxy spills blood and guts
The streaks emanating from this galaxy are hot young stars, encased in wispy streams of gas torn away from the galaxy as it moves through space.
March 4, 2014
A dramatic vista on Mars
The Mars Curiosity rover is making its way toward the base of Mount Sharp, which is the central peak in the martian Gale Crater.
March 3, 2014
‘Impossible’ shots of Milky Way over city in new video
"This movie aims to ... inspire more astrophotographers residing in heavily light polluted cities to unveil the beauty of the elusive Milky Way galaxy." - Justin Ng
March 1, 2014
Can Hubble Space Telescope observe Earth?
What if you could point the Hubble Space Telescope downward, toward Earth. What would it see?
February 28, 2014
Mercury returns to the eastern, predawn sky
Mercury has returned to the east before dawn. It'll have a long apparition extending through April. Start watching Mercury now, and enjoy it for a month!
February 28, 2014
