Astronomers around the world are closely tracking an interstellar object known as 3I/ATLAS as it speeds through our solar ...

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 ...

Webb telescope discovered a bizarre exoplanet with carbon atmosphere, no hydrogen, orbiting a super-dense spinning star.

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have captured what may be the biggest planet-forming disk ...

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 ...

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

Proba-3 is creating artificial solar eclipses in space, giving scientists a steady new way to study the Sun’s inner corona ...

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

A colossal Martian volcano defies everything we know about planetary geology. Hidden clues beneath its frozen summit hint at ...

The Artemis II mission, which could launch as early as February, is expected to send four astronauts on a trip to the moon, ...