Scientists Tested Einstein's Relativity on a Cosmic Scale, And Found Something Odd

NASA's Lucy spacecraft captures haunting black and white images of Earth and the Moon

Saturn's moon Enceladus may be more habitable than previously thought. New research suggests the moon's subsurface soda ocean could increase the availability of phosphorus — a key ingredient for life as we know it.

World's largest iceberg is getting swept away from Antarctica to its doom, satellite image shows