The most unsettling space images are not of black holes or distant galaxies, but of stars that look eerily like our own Sun ...

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

Astronomers have been poring over last week's claim of the detection of life-associated gases in the atmosphere of a distant planet named K2-18b — "the strongest evidence yet that life may exist on a ...

Astonishingly, we can identify molecules present in the atmospheres of exoplanets.

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing ...

New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown. When you purchase through links on our site, we may earn an affiliate ...

It’s a great year for planet-watching. In addition to this week’s stellar views of Mars, stargazers can admire multiple “planet parades”—the simultaneous appearance of several planets in the night sky ...