Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ...

Scientists are investigating the number of super-Earths compared to Neptune-sized planets in other solar systems. Their ...

John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA space shuttle ...

Large hailstones made of ammonia may explain why the gas is missing from large pockets of Jupiter's atmosphere.

A new study released on Thursday describes a search for what are called "microlensing" events, where a planet acts as a ...

Study suggests Earth-like exoplanets may be common, based on microlensing data revealing super-Earths with distant orbits.

Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star, ...

Robert Lee Hotz covered new research and its impact on society for The Wall Street Journal.

A new study led by astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has revealed that planets ...

View a brilliant morning star, enjoy dark skies during New Moon, and take in plenty of deep-sky targets in the sky this week.

In May 2020, astronomers observed a planetary engulfment for the first time that they believed was caused by a star expanding to become a red giant–swallowing an orbiting planet in the process.