A swarm of large asteroids likely lurking around Venus could one day pose an "invisible threat" to Earth if left unchecked, astronomers have warned in new research. The giant space rocks are ...

Here's what to know about the Venusian asteroids, and just how concerned you should be about whether there's any danger of a collision with Earth. What to know about Venus, asteroids The second ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show.