Webb telescope discovered a bizarre exoplanet with carbon atmosphere, no hydrogen, orbiting a super-dense spinning star.

James Webb observations show TOI-561b, an ultra-hot rocky exoplanet, has a thick atmosphere that redistributes heat.

Astronomers from the University of Geneva, working with colleagues in Canada and the United States, have captured the ...

Exoplanets come up a lot these days, usually in headlines about distant stars, strange atmospheres, or the possibility of ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

JWST observations of the ultra-hot super-Earth exoplanet TOI-561 b provide the strongest evidence to date for an atmosphere surrounding a rocky planet beyond our Solar System.

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...

Surprised astronomers just discovered a world that blurs the line between planet and stellar remnant, hiding in a system ...

A strange world just 47 light-years from Earth is rewriting what scientists thought they knew about alien planets. Hidden ...

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

On record 2025 as one of the most amazing years in contemporary astronomy, providing findings that would turn our collective ...

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...