Catherine O'Hara, "Beetlejuice" and "Home Alone" star, dies at 71 Enormous freshwater reservoir discovered off the East Coast ...

Getting astronauts to Mars is only half the mission — the real problem is bringing them back. NASA engineers are designing ...

On the hunt for a new science fiction series to binge watch? Look no further than this list of the 10 best sci-fi shows ...

American space agency NASA announced the launch of an improved software called ExoMiner++ that is used to detect exoplanet ...

I sealed myself in and plunged into Markiplier's world.

Dubbed HD 137010 b, the planet might fall just within the outer edges of its star's 'habitable zone', meaning there could be liquid water on its surface and a suitable atmosphere for life.

More planets could be homes for aliens than we thought, scientists say - Planets we thought were not inhabitable might ...

TV has taught us many important lessons about aliens.They are either here to observe us, replace us, eat our cats, or gently ...

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf ...

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — ...

Read an excerpt of this deep-space mystery from the prolific writer of 'Whalefall' and 'Angel Down.' ...

New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could ...