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

"The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system.

Just a week after a successful launch of its heavy-lift New Glenn rocket, Blue Origin says it will make New Glenn even ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

Earth has picked up a new traveling companion – an asteroid named 2025 PN7 that now moves through space in step with us. This ...

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

The next full moon will be the last supermoon of 2025, set to shine for days. Here's when to watch and what to know about ...

A visual guide to the audacious moon-landing mission design that put SpaceX and NASA in the hot seat — and has experts ...

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

In the current issue of the journal Science, researchers determine the possible composition of Theia. The impactor’s ...

Is there a full moon tonight? Here's what to know about today's special moon phase and when to look up for the next meteor ...

NASA selects 10 new astronauts from among 8,000 applicants and begins training that will take them into orbit, to the Moon, ...