With Area 51 ruled out by President Obama, where might aliens really be hiding? Scientists have now revealed the best candidates.

The planets orbit a star around 133 light-years away from Earth.

Scientists have discovered something that they previously thought wasn’t possible – an ‘inside out’ star system. When you line all the planets in our solar system up, the four closest to the sun are ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

SIGNS of an alien planet that’s about the same size as Earth have been picked by up a Nasa telescope. Scientists say it might ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...

Comet 3I/ATLAS, the third confirmed interstellar object ever detected passing through our solar system, was caught shedding ...

Interstellar comets are the original cosmic explorers, and by studying their metallic whispers, we are learning the secrets ...

If life exists elsewhere in the universe, researchers at the University of Washington are finding the clues on Earth to help ...

Add Yahoo as a preferred source to see more of our stories on Google. The remarks came during a visit from Defense Secretary Pete Hegseth and Pentagon leadership, part of the "Arsenal of Freedom" tour ...

The new plot twist is that in order to keep enough nitrogen and phosphorus near its surface, a planet has to start out with ...