A recently observed object called 2025 PN7 was found orbiting near the Earth. The quasi-moon is expected to accompany our ...

Because the Earth is doing the work of increasing the Moon's momentum, the Earth's rotation slows down in turn, as its ...

Tides come from a difference in gravity across an object. The force of gravity exerted by the Moon is about 4% stronger on the side of Earth that faces toward the Moon, compared to the opposite side ...

So the bottom line is that the gravity of the closer tidal bulge on the Earth is pulling the Moon forward, which increases ...

Instead of using solid fuel elements, this innovative design uses liquid uranium fuel to heat the rocket propellant directly.

A distant exoplanet might have an atmosphere similar to Earth's, early observations from the James Webb Space Telescope (JWST) suggest. It is part of a group of planets orbiting a star called TRAPPIST ...

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and ...

Mars will sit less than 10 degrees above the horizon at sunset, with the 11 %-lit waxing crescent moon hanging less than 6 ...

A rare black moon darkens the sky on Aug. 23, 2025, followed by a close encounter between the young crescent and Mars just days later.

Three celestial bodies are about to meet up for one night in September in a conjunction that should be widely visible in the ...

The U.S. and China are in a sprint toward manned missions to the lunar surface by the end of this decade, with sights on 2029 ...

As part of the grand finale of August's planetary parade, Mars will appear very close to the crescent moon on the night of Tuesday, August 26, 2025. To catch the breathtaking view, find a place to see ...