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

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.

It’s quite a challenge to make an Earth-like world. You need enough mass to hold an atmosphere and generate a good magnetic ...

The Hubble Space Telescope has detected the most expansive protoplanetary disk documented to date, extending across 400 ...

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

Solar sails have some major advantages over traditional propulsion methods—most notably, they don't use any propellant. But, ...

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

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

There are about 15,000 satellites orbiting the Earth. Most of them, like the International Space Station and the Hubble ...

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

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

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 ...