Several false alarms — including the TRAPPIST-1 system, the exoplanet WASP-12b, and even Venus — have taught scientists to triple-check such claims before accepting them.

A repeated analysis of the exoplanet's atmosphere suggests an abundance of a molecule that on Earth has only one known source, living organisms such as marine algae. “It is in no one's interest to ...

The AP is solely responsible for all content. Located about 120 light years away, the exoplanet appears to take an unusual path around two brown dwarfs, whipping around at a right angle.

Related video above: The dark energy pushing our universe apart may not be what it seems, scientists say Located about 120 light years away, the exoplanet appears to take an unusual path around ...