Deep within massive rocky exoplanets, hidden oceans of molten rock may be generating powerful magnetic fields in an unexpected way.

Dive into the abyss and discover 25 terrifying deep sea creatures living in the most extreme ocean depths. From anglerfish to ...

The aliens from Mars attacked in waves quickly overpowering Earth’s human defenses with their far superior technology. Then ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Anybody who has seen "Finding Nemo" knows about those captivating monsters of the sea: anglerfishes. Variously horrific or ...

Discover how space affects human health, from microgravity and cosmic radiation to psychological isolation, and what it means ...

Comet 41P/Tuttle-Giacobini-Kresak has begun acting a little unusually, but there are likely natural explanations before we go ...