A surprising reversal in molten iron flow beneath the Pacific is giving scientists a sharper view of how Earth’s magnetic ...

Interstellar comet 3I/ATLAS may be older than our solar system, offering a rare glimpse into the early galaxy.

Tianwen-2 asteroid mission closes to within 20 kilometers of Kamoʻoalewa on July 4, 2026 — China‘s first sample-return probe ...

Jupiter is the largest planet in the Solar System. It is more than 300 times more massive than Earth, yet it is far less ...

Our solar system is a celestial shooting gallery, chock-full of flying projectiles that one day could threaten Earth—so what ...

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero ...

A small body in the Kuiper Belt, beyond Neptune, has exhibited an atmosphere. The last time astronomers found an atmosphere in a trans-Neptunian object was in 1988, when Pluto revealed its own. But it ...

Interstellar comet 3I/ATLAS, the third object ever confirmed to have originated beyond our solar system, is heading back into deep space on a trajectory that will carry it away from the Sun ...

Goblin sharks have elongated snouts and extendable jaws, which they use to snatch prey. Julian Finn / Museums Victoria under CC BY 4.0 For the first time, scientists have spotted rare and elusive ...

Astronomers have spent years searching for a possible hidden giant planet far beyond Neptune. Unusual orbits among distant Kuiper Belt objects have fueled the Planet Nine theory, but recent ...

A rare celestial event will feature Venus, Jupiter, and Mercury appearing close together in the June sky. Venus and Jupiter will first appear together in a conjunction starting Tuesday, June 9.