An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an impact thousands of years ago.

New research suggests that Earth's recent mini-moon might have originated as part of our actual moon long, long ago.

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

The small near-Earth asteroid 2024 PT5 has been creating a buzz among researchers. Discovered last year with the help of a ...

The idea of cosmic threats to Earth almost sounds like the stuff of fiction. But while alien invasions may be far fetched, ...

Deep within Earth’s mantle lie two enormous regions, often referred to as "islands," which are the size of continents.

The Mercator projection, a cylindrical map introduced by Geradus Mercator in 1569, distorts the true size of countries on ...

Firefly Aerospace's Blue Ghost lander, a private spacecraft hired by NASA to take experiments to the moon, is flying laps ...

These are the events and people that shaped the history of travel, from early pilgrimages and the Age of Discovery, to the ...

The Moon meets the Red Planet’s rival in Scorpius, skims close to Saturn, and reaches New phase in the sky this week.

2024 PT5 is the second near-Earth asteroid scientists suspect was ejected from the moon's surface, the first being 469219 ...

Astronomers recorded extreme winds of 33,000 kph on exoplanet WASP-127b, a 'hot Jupiter' with low density orbiting close to its star. Advanced atmosph ...