Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

The team announced its “ultrahigh energy” neutrino on Wednesday, in a paper published in the journal Nature. The finding ...

New research at NAU looks at faster warming in the Arctic, and highlights concern about risks to the U.S. of a political ...

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

The number of known exoplanets seems to grow every day. Most of them are worlds completely unlike our own. But some get pretty close to something resembling home - and may someday become exactly that.

Scientists using data from the European Space Agency’s Gaia mission have made a groundbreaking discovery: a massive exoplanet ...

HD 20794 d, with a mass six times that of Earth, orbits a star similar to our sun. The planet’s location within the habitable ...

An international team has confirmed the discovery of a super-Earth orbiting in the habitable zone of a nearby sun-like star.

Current data shows 2024 YR4 is the only known large asteroid with an impact probability above 1%. NASA reminds people that ...

Earliest inner solar system planetesimals shaped the inventory of moderately volatile elements in terrestrial planets.