Advanced space travel relies on a fundamental understanding of the restricted three-body problem (RTBP), in which one of the ...

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...

JWST data hints that Trappist-1e may have an atmosphere. More transits will test if this world could support liquid water. Recent observations with NASA’s advanced JWST telescope have revealed a ...

NASA has confirmed 6,000 exoplanets, marking a major milestone in humanity’s quest to understand other worlds. From gas ...

For anyone in Hawaiʻi this weekend, the sky offers a rare show. Saturn, the ringed giant, will rise bright in the evening and stay visible through the night.

Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

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

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

Did you see the bright star next to the moon? That was Venus, and part of a conjunction between the moon, Venus and the star ...