Scientists have long theorized that planets, including those in our solar system, form from interstellar dust and gas as it ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby ...

A group of international researchers said on Wednesday they witnessed some of the earliest stages of a planet beyond the sun ...

Astronomers have captured a rare glimpse inside HOPS-315, a young star that appears to sit at the center of a nascent version of our own solar system.

A paper published this week by doctoral candidate Te Han and his adviser, Paul Robertson, probably shrinks the number of ...

In 2003, NASA-funded researchers spotted what was then the most distant object discovered in our Solar System. The dwarf planet, named Sedna after the Inuit goddess of the sea, was found over 12.9 ...

Because Pluto is so dim, you need a telescope to see it. “A backyard telescope could do it under the right conditions,” says ...

Astronomers have uncovered major size errors in TESS planet data, suggesting we’ve found fewer Earth-like exoplanets than we believed.

An international team of astronomers has uncovered new evidence to explain how pulsing remnants of exploded stars interact ...

NASA’s New Horizons spacecraft has been used to demonstrate simple interstellar navigation by measuring the parallax of just ...

A new analysis of exoplanets has shown interstellar contamination from nearby stars could change where to search for ...

The comet 3I/ATLAS is the third confirmed interstellar object and is likely 3 billion years older than our own solar system.