The new exoplanet Elias 2-24 b is the youngest ever discovered, still forming in a cloud of debris around a young star just ...

An alien radio signal from K2-155 d? Are there any alien civilizations out there? For several decades, scientists have been searching for evidence that they exist. That effort is collectively known as ...

The upcoming Habitable Worlds Observatory should be able to spot the glint of water on habitable planets, and maybe more ...

NASA has long maintained that it has found no credible evidence of extraterrestrial life, but a newly resurfaced image from Mars has reignited wild speculation. The photograph, captured by the ...

Forbes contributors publish independent expert analyses and insights. Kevin Holden Platt writes on space defense, SpaceX, ISS, Space War I This voice experience is generated by AI. Learn more. This ...