A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

Kingdom Capital Advisors, a private investment firm, released its fourth-quarter 2024 investor letter. A copy of the letter ...

Astronomers have captured direct images of exoplanets in a star system 130 light years away, providing clues on gas giant ...

Hycean worlds, which are a possible kind of exoplanet with deep oceans surrounded by a thick envelope of hydrogen, could ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

More than 60 years after the first debunked discovery of a planet orbiting Barnard’s Star, the closest single-star system to ...

Last year, astronomers announced that a planet orbits Barnard’s star. Now, researchers have confirmed the existence of three more.

Astronomers have detected oxygen in the most distant galaxy ever found. It’s 13.4 billion light-years away from Earth, according to new research.

Astronomers discover a super-Earth and a sub-Neptune 250 light years away from our solar system. These planets offer a ...

NASA astronauts Sunita Williams and Butch Wilmore, along with astronaut Nick Hague and Russian cosmonaut Aleksandr Gorbunov, ...

The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.