Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies ...

ESA/Hubble In a first for astronomers surveying the depths of space, carbon dioxide has been detected on an exoplanet – that is, a planet lying outside our solar system. Thanks to the coronagraph ...

NASA has discovered a planet where storms rage nonstop, creating extreme weather conditions unlike anything on Earth. Scientists are studying this turbulent world to understand its chaotic atmosphere ...

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

From Lowell Observatory to Kitt Peak to Mount Graham, here are the 11 best planetariums and observatories in Arizona and ...

Artificial intelligence is transforming the search for alien life with new tools that detect UAPs and identify Earth-like ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Last week, a team of scientists claimed to have discovered possible signs of life on a nearby planet. in fact, their evidence ...

But given the age and vastness of the universe, a different question has long puzzled some scientists: why haven't we already ...

A team of astronomers has detected what they call the most promising signs to date of a possible biosignature, or signs of past or present life linked to biological activity, on an exoplanet named ...

This week, learn why experts are divided over an exoplanet, see the first footage of a colossal squid in its deep-sea habitat ...

The initial report was based on observations from the powerful James Webb Space Telescope, a collaboration of NASA and its European and Canadian counterparts. But the results created a lot of hubbub ...