"The profile of the occultation was most consistent with it being a new satellite — a new moon — going around Quaoar." ...

In this latest data mining, scientists unexpectedly discovered two planets with extremely unusual orbits, whose trajectories differ dramatically from the known patterns of planetary orbits. In our ...

What if Pluto wasn’t the end? What if our Solar System hides dozens - maybe hundreds - of strange frozen worlds beyond Neptune? In this video, we take you on a journey through the mysterious outer ...

However, seismic anomalies detected on Mars by the InSight mission reveal that the mantle is far from smooth and contains ...

A rare exoplanet that should have been stripped down to bare rock by its nearby host star's intense radiation somehow grew a puffy atmosphere instead -- the latest in a string of discoveries forcing ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

A young star’s disk shows unexpectedly high CO₂ and little water. The result questions standard theories of planet formation.

Astronomers have spotted a planet just 90 light years away from Earth with a surprising atmosphere — and the possibility of clouds containing water. TOI-1231 b is an exoplanet, meaning it is located ...

Washington, DC – Using a network of small automated telescopes known as HAT, Smithsonian astronomers have discovered a planet unlike any other known world. This new planet, designated HAT-P-1, orbits ...

Artist’s concept of TIC365102760 b, nicknamed Phoenix for its ability to survive a red giant star’s intense radiation from up close. A rare exoplanet that should have been stripped down to bare rock ...