Comet Elenin: Still not a spaceship or doomsday comet

Is Comet Elenin showing any signs of being a spaceship, colliding with Earth or creating three days of darkness? It's just an ordinary comet.

Video of Vesta from the Dawn spacecraft fly-around

NASA space scientists studying asteroid Vesta helped make this video of Vesta simulating the experience of flying in the Dawn spacecraft around the asteroid.

First planet found to orbit two suns

A newly found first planet orbiting two suns - like the fictional Tatooine, home world of Luke Skywalker in Star Wars. EarthSky spoke to one of the discoverers.

Heavy-lift rocket announced by NASA

The Space Launch System is a new heavy-lift rocket planned by NASA, similar to the Saturn V rockets that launched men toward the moon 40 years ago.

James Webb Space Telescope receives lifeline from U.S. Senate

A U.S. Senate committee has proposed to allow the embattled James Webb Space Telescope to launch. There are more political hurdles, but it's a step forward.

NASA image reveals Earth eclipse of the sun

Eclipse season for the Solar Dynamics Observatory begins twice a year near each equinox.

Goldilocks planet could support life, study shows

Astronomers say a newly discovered planet might have Goldilocks-like conditions - neither too hot nor too cold - for water and possibly life.

50 new exoplanets announced, including 16 super-Earths

At the Extreme Solar Systems conference this week in Jackson Hole, Wyoming, 350 experts talking about 50 new exoplanets.

Nearby brown dwarf has extreme weather, astronomers say

A gigantic storm raging on the surface of this brown dwarf might be like Jupiter's red spot - but even grander in scale.

GRAIL spacecraft launch success and moon-bound

The instruments on the twin GRAIL spacecraft lunar orbiters are so precise they can detect a change in the distance between them the size of a red blood cell.