Before we say goodbye to our interstellar visitor, another close encounter is on its way. This one could be course-altering.

A 140-foot asteroid is set to sweep past Earth today, and it seems everyone is taking notice. Astronomers have been tracking the space rock, officiall.

The dinosaurs were wiped out by an asteroid, but does that mean we risk suffering the same fate - and should you be worried about the possibility? Leah Crane sets the matter straight ...

NASA planetary defense experts warn that up to 15,000 undetected asteroids could devastate a major city on Earth.

NASA is monitoring an asteroid that is hurtling toward Earth at about 22,000 miles per hour, according to the Center for Near Earth Object Studies (CNEOS). The space rock known as "2026 CC" measures ...

The International Space Station, a structure assembled across nearly three decades of multinational cooperation at a cost that dwarfs most national infrastructure projects, is heading toward a planned ...

Sophie Adenot, 43, is an airforce helicopter pilot who grew up in rural Burgundy. She remembers the day in 1996 when she was ...

By taking advantage of a maneuver that would see a spacecraft fire rocket engines while in the solar corona, that spacecraft’s velocity could receive a huge boost — enough to allow it to catch up ...

NASA experts warned that human beings are vulnerable to thousands of hidden “city-killer” asteroids. A new space telescope may improve detection, but we currently lack tools to stop a threat.

They show up as a mathematical solution in general relativity, basically as a time-reversed version of a black hole. Some ...

Plenty of asteroids can survive their fiery plunge through the Earth’s atmosphere. If they’re big enough, they can prove incredibly destructive, like the 60-foot Chelyabinsk meteor that exploded over ...

The International Space Station was supposed to remain in orbit until 2030, slowly descending in a controlled path before its ultimate destruction over the Pacific Ocean, but now preparations to ...