"We reported hints of methane, but the question is, 'is the methane attributable to molecules in the atmosphere of the planet ...

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its close pass by Earth.

New research shows how the star's powerful outbursts could help scientists assess which worlds might support life.

Explore every Planet of the Apes movie, timeline, and leader in this illustrated guide to the iconic sci-fi saga’s history, ...