Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

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

NASA has confirmed the existence of 6,000 exoplanets. This milestone highlights the diversity of planetary systems.

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

A recent study reveals dynamic transformations in Earth's lower mantle, impacting both earthquakes and the magnetic field.

The Sun — usually so predictable — is exhibiting some surprising behavior and that has scientists very intrigued. Astronomers ...

New Life and New Civilizations' brings the messy third season of 'Strange New Worlds' to an amicable end (if you don't think ...

Using the James Webb Space Telescope (JWST), astronomers have discovered a strange disk of gas and dust around an infant star that could challenge current models of planet formation.

By 2015, NASA announced that Kepler had discovered its 1,000th exoplanet. 2016 was a banner year for exoplanet detections with nearly 1,500 in that year alone. The total number reached 5,000 in March ...

This charmingly named world (thank you, Jankum Pog) is one of the strangest on this list. While it's not the only dangerous ...

Since astronomers found the first planets outside our solar system in 1992 and the first planet around a sunlike star in 1995 ...

Scientists are unraveling the mysteries of "steam worlds"—exoplanets known as sub-Neptunes that are rich in water but orbit so close to their stars that their surfaces are shrouded in thick ...