Astronomers have discovered what they claim is a "hidden planet" outside our solar system, using a 1...

Vesta, the grand old asteroid of our Solar System, resembles more to a small planet or Earth's moon ...

For the first time, NASA's Spitzer spacecraft has detected light emanating from a previously-found S...

Stumbling upon a weird phenomenon, astrophysicists have caught four white dwarf stars, in the dead e...

Earth-like rocky planets that humans could live on may be more common in the universe than stars, sa...

Planetary scientists claim to have discovered a distant young galaxy cluster located 10.5 billion li...

For more than 35 years, the U-2 has been one of Washington's most reliable windows into military mov...

Astro-enthusiasts are in for a celestial treat as four planets -- Jupiter, Venus, Mars and Saturn --...

Thousands of rogue alien planets may be rambling through space in our Milky Way galaxy instead of be...