NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven advanced technology partners for its next major mission, the Habitable Worlds ...

Astronomers have detected a smelly gas best known for the odor of rotten eggs—hydrogen sulfide—in the atmospheres of four giant planets far beyond our solar system. While the gas may be unpleasant on ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

Thanks to theorists like Ruth Murray-Clay, astronomers are decoding how distant planets form, evolve, and maybe even host life. When Ruth Murray-Clay entered graduate school, only a handful of ...

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...

Launched in 2019, the ESA mission will measure the size and density of hundreds of known exoplanets orbiting bright stars.