It’s the first potentially habitable world known to host an atmosphere, making it a lead contender in the search for life ...

Since then, astronomers using both space-based and Earth-based telescopes have found more than 6,200 exoplanets scattered ...

In a major milestone in the search for life on other planets, astronomers have detected, for the first time, an atmosphere ...

A laser star guide beams up from the Gemini South Observatory and into the Milky Way on Cerro Pachón, a mountain in central ...

The search for intelligent alien life goes far beyond listening for simple radio signals. This documentary explores how ...

An international team of astronomers reports the discovery of a new exoplanet orbiting a sunlike star as part of the Next ...

Interstellar comet 3I/ATLAS carries isotopic ratios entirely outside the Solar System range, ESO’s Very Large Telescope has ...

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

JWST has revealed dramatic differences between the dawn and dusk regions of the scorching exoplanet WASP-121 b. Fierce winds appear to carry heat from the planet’s permanent dayside, making the ...

As Steven Spielberg releases a new film on extraterrestrials, here's a brief history of modern alien conspiracies and why scientists are now taking UFO reports seriously. Amid all the unanswered ...

NASA and the European Space Agency announced Monday that the James Webb Space Telescope has produced the first mid-infrared chemical fingerprint ever obtained from an interstellar object, detecting ...