New map of the night sky reveals 300,000 'hidden' galaxies

The brightest star in the night sky will go dark

NASA's record-setting Mars Opportunity rover is officially dead

Ancient supernova saved Earth from watery grave, study suggests

NASA spacecraft to map out asteroid that's heading our way

Satellite snaps first-ever group shot of Earth and the moon's far side

Dark side of the universe could be way more complicated than the light side

This new 3D map of our galaxy features 1.7 billion stars

What to see in the night sky in February

NASA to test new weapon against asteroids

This rock brought back from the moon likely came from Earth

Planetary collision seeded elements for life on Earth, study says