A swarm of large asteroids likely lurking around Venus could one day pose an "invisible threat" to Earth if left unchecked, ...

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 ...

CNN’s Anderson Cooper interviewed actor George Clooney on the set of his Broadway play, “Good Night, and Good Luck,” which is focused on Edward R. Murrow’s famous battle with Senator Joseph McCarthy.

NASA’s MAVEN spacecraft has observed atmospheric sputtering on Mars for the first time, confirming how solar wind stripped the Red Planet’s thick atmosphere and transformed its climate.

These 20 "city killer" asteroids, each over 140 metres in size, could potentially be on a future collision course with Earth.