We're on day five of the lunar cycle, which means the moon is working on getting bigger every night. There will be more ...

Learn when fall begins with the autumnal equinox. Get upcoming dates, Harvest Moon info, and understand meteorological vs ...

According to the leading theory of how the Earth-Moon system formed (the Giant Impact Hypothesis), a Mars-sized object (named ...

Your last chance to see a supermoon in 2025 is approaching quickly. December's full moon is scheduled to appear on Dec. 4, ...

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this ...

DARPA’s TBD2 program aims to track tiny spacecraft across deep space, creating the first wide-area surveillance of the ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

Around 4.5 billion years ago, a dramatic event changed Earth forever. A massive, planet-sized body called Theia slammed into ...

After the International Space Station is decommissioned, China and possibly Russia will have active space stations in low ...

November marks 25 years of human presence aboard the International Space Station, a testament to international collaboration ...

“Impact flashes on the moon are very common,” University of Colorado Boulder astrophysical and planetary sciences professor Paul Hayne said. “In fact, they happen more or less every night, and it’s a ...

The asteroid, known as 2022 RD2, belongs to a rare class of space rocks called Arjunas. These objects travel around the sun ...