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 ...

In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

Astronomers have unveiled the largest planet-forming disk ever observed around a young star, a sprawling structure where gas ...

JWST observations of the ultra-hot super-Earth exoplanet TOI-561 b provide the strongest evidence to date for an atmosphere surrounding a rocky planet beyond our Solar System.

The “Seven Sisters” of the Pleiades are part of a much larger complex that can help reveal our galaxy’s deep history ...

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

New images from NASA 's Hubble Space Telescope have revealed an enormous, oddly shaped disk of gas and dust around a single ...

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 ...

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

NASA’s Hubble Space Telescope has captured infant planets colliding around Fomalhaut, one of the brightest stars in the night ...