A large asteroid once considered the greatest known risk to Earth may now be on track for a direct hit — not on our planet, ...

Initially flagged as a potential Earth threat, asteroid 2024 YR4, a 200-foot space rock, is now predicted to potentially ...

YR4 was detected by the Asteroid Terrestrial-impact Last Alert System, or ATLAS telescope, in Río Hurtado, Chile, two days ...

A draft scientific paper has proposed that the object, 3I/ATLAS, might be alien technology and could make a surprise attack ...