Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

Scientists discovered that liquid water once flowed on the asteroid that spawned near-Earth asteroid Ryugu more than a ...

Some asteroids hold more iron, nickel and cobalt than Earth's reserves, presenting options for off-planet construction, fuel ...

NASA's Hubble Space Telescope detected material from a Pluto-like body spiraling into a white dwarf star 260 light-years away ...

Earth has a number of mini-moons and quasi-moons. Mini-moons are objects that orbit our planet. But they make for fickle fans: They tend to swing around Earth for only a matter of months. One example ...

Astronomers predict it will pass relatively close to four planets (but not Earth) and the Sun, then continue its cosmic ...

Our planet has apparently had a small companion that went undetected for decades. What took so long to find it and why was it ...

Several well-known meteorite discoveries are still a mystery. Avi Loeb’s interpretation of some meteorite debris possibly being of alien origin is controversial, because peer‑reviewed analyses point ...

With help from amateur astronomers, scientists tracked how an asteroid travelled from space, broke up in Earth's atmosphere ...

The American Apophis Strategy is simple, powerful, and cost-effective: keep OSIRIS-APEX on track and unleash Janus through a public-private partnership. This would put the U.S. in the lead — not just ...

Apophis will zoom safely past the Earth closer than the orbits of geosynchronous satellites on April 13, 2029. As well as the ...

NASA is investing significant resources into asteroid defence, but its new protective system could have unintended ...