World CNN Wire

Debris from Russian missile test nearly strikes a Chinese satellite

A piece of debris created by Russia's recent anti-satellite test came within striking distance of a Chinese satellite Tuesday, in an encounter the Chinese government has called "extremely dangerous."The Russian debris came as close as 14.5 meters (approximately 48 feet)…

A black hole fueling star birth has scientists doing a double-take

Black holes are best known for shredding stars, devouring light and acting like massive garbage disposals in space.In a twist, astronomers using the Hubble Space Telescope have discovered that these energetic celestial objects have a nurturing side, too.Hubble's observation of…

The Doomsday Clock reveals how close we are to...doom

The Doomsday Clock has been ticking for exactly 75 years. But it's no ordinary clock.It attempts to gauge how close humanity is to destroying the world.On Thursday, the clock was set at 100 seconds until midnight -- the same time…

A huge, kilometer-wide asteroid will pass by Earth today

An asteroid estimated to be around a kilometer (3,451 feet) wide will fly by Earth on Tuesday.It will pass within 1.2 million miles of our planet, moving at 47,344 miles per hour (76,193 kilometers per hour), according to NASA's Center…

Don't miss the full 'wolf' moon light up the sky tonight

"Owoooo!"Wolves are associated with howling at the moon -- a common myth that's become widely accepted over the ages.Despite the fictional tale, it hasn't stopped people from connecting the moon with the furry animals.The first full moon of the year…