From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for signs of an atmosphere—and potentially life-supporting conditions. Early James ...

"Ultimately, this work may help scientists better predict the impact of space weather across the solar system on longer ...

Oceans hiding within the crusts of distant moons are tantalizing targets for scientists looking for life beyond Earth ...

Unlike YR4, finding earlier observations of 3I/ATLAS to model where it might have come from was easier said than done. During its July 1, 2025 detection, the interstellar object happened to be moving ...

Interstellar comet 3I/ATLAS will make its closest approach to Earth on Friday. New X-ray images could shed light on its ...

Astronomers have uncovered a massive hidden planet and a rare “failed star” by combining ultra-precise space data with some of the sharpest ground-based images ever taken. Using the Subaru Telescope ...

On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope when it’s around 170 million miles from our home planet ...

Investment firms have put over $100 million into developing risky technologies that could cool the planet with unknown side ...

Pandora Mission will attempt to capture the atmospheric conditions of 20 planets as they eclipse their respective suns, an ...