Short-lived radioisotopes such as aluminum-26 influenced early solar system heat, water retention and the formation of Earth-like rocky planets, according to meteorite analyses and models.

Every planet in the solar system leans, some gently, some dramatically, and that tilt quietly shapes everything from our ...

Astronomers tracking 3I/ATLAS, the third confirmed interstellar object ever observed, say new measurements of its water loss ...

When 3I/ATLAS swept past the Sun in late October 2025, it became only the third confirmed visitor from interstellar space ...

Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma ...

Astronomers have confirmed the discovery of only the third known interstellar object everobserved passing through our Solar ...

REx reveals asteroid Bennu contains life's building blocks, shedding light on Earth's origins and the potential for extraterrestrial life.

Roughly 1,000 light-years away from Earth, a gigantic disk of gas and dust is swirling around a young star and giving rise to ...

Scientists studying interstellar comet 3I/ATLAS say it may be older than the Sun and could have formed around a star that no ...

While surveying distant worlds beyond our solar system, researchers unexpectedly obtained the first direct images showing ...

Bright full moons, dazzling meteor shower displays and remarkable total eclipses will give stargazers plenty of reasons to ...

How did life begin on Earth? While scientists have theories, they don’t yet fully understand the precise chemical steps that ...