Some exoplanets absorb almost every ray of visible light that reaches them. Their darkness is revealing unexpected clues about the strange atmospheres surrounding distant worlds.

Astronomers working with the European Southern Observatory report a candidate moon with at least the mass of Jupiter, ...

What If ranks hostile exoplanets, starting with Gliese 367 b, a tidally locked molten iron world orbiting a red dwarf star.

Earth may have produced much of its water during the planet's formation, as rocky pebbles reacted with the hydrogen-rich ...

Webb observations suggest TOI-561 b has a reflective atmosphere, with mineral clouds offering a possible explanation for this lava planet’s cooler dayside.

Editor’s Note: Astrobites is a graduate-student-run organization that digests astrophysical literature for undergraduate ...

The mission follows in the legacy of NASA’s Galaxy Evolution Explorer (GALEX), also led by Caltech, which mapped the ...

The California Science Center and NASA’s Jet Propulsion Laboratory announced Tuesday a partnership bringing JPL spacecraft, interactive exhibits and research to the new Samuel Oschin Air and Space ...

Astronomers using the European Southern Observatory's Very Large Telescope (ESO's VLT) have found a rare disc of debris around a dead star that ...

The theory that comets delivered the molecular building blocks for life on Earth is a long-standing one, since comets are ...

The planet endures so much stellar energy that astronomers have long assumed its atmosphere evaporated eons ago. However, new ...

NASA has officially ended its effort to save the Neil Gehrels Swift Observatory after the agency failed to adjust the ...