Astronomers have followed 3I/ATLAS since its discovery on July 1. Hubble photographed it on July 21 from 277 million miles away, revealing a teardrop-shaped cloud of dust wrapped around its icy core.
A swarm of giant city-killer asteroids hiding near Venus poses an “invisible threat” to life on Earth, astronomers have warned in a new study. These space rocks, known as co-orbital asteroids, tag ...
Somewhere in the orbit of Venus, scientists believe a hidden population of asteroids is circling the Sun—nearly invisible to Earth-bound telescopes and possibly capable of striking our planet with ...