To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

A new study suggests Mars could help scientists understand how alien worlds evolve by showing how a once warmer, wetter ...

Planets that once lived only in pulp novels and movie concept art are now turning up in real data. Astronomers are not just finding distant worlds, they are cataloguing places with molten surfaces, ...

Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...