Astronomers said on Wednesday that they had observed the moment when planets start forming around a distant star for the first time.

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

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

A groundbreaking study published in Communications Earth & Environment has called into question the long-standing assumptions ...

NASA’s Transiting Exoplanet Survey Satellite (TESS) has made yet another exciting discovery—but it never works alone. Thanks ...

A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the asteroid belt, but now a meteorite from the outer solar system is rewritin ...

NASA has discovered the third known interstellar object to pass through our solar system, but the icy snowball object poses ...

A rare fireball seen over the Southeast last week was tied to the annual Bootid meteor shower. Find out how you can still catch these meteors before July 2!

Here’s what you’ll learn when you read this story: Meteorites found in the Sahara Desert might be pieces of Mercury that broke off as the result of a collision when the Solar System was still ...

A microscopic grain from asteroid Ryugu, delivered by Japan’s Hayabusa2 probe, revealed a fiery mineral that shouldn’t exist there. The unexpected find is raising new questions about asteroid ...

After a suspected meteor fell in metro Atlanta on Thursday afternoon, people in the area are hoping to find a fragment on the ground.