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

Astronomers predict it will pass relatively close to four planets (but not Earth) and the Sun, then continue its cosmic journey. A Harvard professor made headlines theorizing our visitor is a ...

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 ...

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

It's also spinning twice as fast than thought, making a tricky rendezvous even trickier Japan's Hayabusa2 probe faces a ...

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 ...

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 ...

Earth has a new friend — and it's been waiting for us to notice it for decades. In a new study published in the journal ...

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

Recently, in a “wild” new spin on the theory, known as directed panspermia, it’s been suggested that “aliens sent microbes or ...

Some are no bigger than pebbles, while others stretch for miles, silently orbiting the sun in the asteroid belt or zipping ...

The Hayabusa2 mission is facing a new challenge after observations showed the asteroid it is going to rendezvous with and ...