A new study shows TOI-270 d is a fiery rocky exoplanet, offering fresh insight into the galaxy’s most common planet type.

Imagine setting out for a springtime stroll. Not here on Earth but on some distant planet — call it Novathis-458b — orbiting ...

Seismologist Deborah Kilb was wading through California earthquake records from the past four decades when she noticed ...

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 ...