Of all the near-Earth objects tracked by NASA, one asteroid holds the highest known probability of colliding with our planet.

It may look like Earth's twin, but Venus is keeping secrets. New research suggests that dozens—possibly hundreds—of asteroids are quietly orbiting the Sun in sync with Venus. Known as Venus ...

Space snowballs can trick the experts.

A NASA-led study revealed that a near-Earth object long mistaken for an asteroid—1998 SH2—is actually a hidden comet—a discovery that could prove vital for predicting future threats to Earth.

In the vast expanse of space, an estimated 1 million near-Earth objects (NEOs), also known as near-Earth asteroids, are constantly orbiting close to our planet. Every night, astronomers track NEOs and ...

If an asteroid was ever threatening Earth, the best way to stop it might be with a nuclear explosion, according to a new study published by Chinese scientists. But how exactly would this work?

China is studying an on-orbit kinetic impact test mission for planetary defense that would target a small near-Earth asteroid ...

An international study led by researchers at São Paulo State University (UNESP) in Brazil has identified a little-known but potentially significant threat: Asteroids that share Venus's orbit and may ...

In a study published in Nature Astronomy, a team of scientists reveals the true identity of a near-Earth object with an ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. NASA is tracking two bus-sized asteroids in the vicinity of the Earth ...

The Hoba meteorite in Namibia is the largest known natural piece of iron on Earth, weighing about 60 metric tons today. By ...