Asteroid

International asteroid warning network to be put to the test by 50ft-wide asteroid.

NASA is using the opportunity to test out its planetary defense systems.

Paul Chodas from NASA's CNEOS says the exercise will be the same as if the asteroid were on course to hit Earth.

The asteroid will pass by Earth on October 12 at an estimated distance of 27,000 miles.

Don't cry too much about Cassini. Upcoming missions are going to Mars, Mercury, the Sun, Europa and several asteroids.

Michael Rampino believes dark matter may be responsible for catastrophic events on Earth.

You will not get another chance to see Florence in centuries but you have some very good options this weekend.

Florence is three miles wide and will pass at a distance of over 145 million miles.

The giant asteroid will be the biggest to come close to Earth since NASA started tracking near-Earth objects 20 years ago.

A house-sized asteroid will pass by Earth at a distance of as little as 4,200 miles in October.

A newly discovered branch of the Taurids meteor stream increases the risk to Earth but is a "lottery," scientists say.

Newly discovered crater in the Falklands may correspond with the Great Dying event 250 million years ago.

Scientists at Moscow State University are planning to launch a constellation of satellites.

Named 'Analemma,' the building would move around the world, slowing down over New York.

The late Queen singer is officially a "supersonic man."

Results from NASA's mission to the huge 1 Ceres asteroid have been worth the wait.

The ORIRIS-REx spacecraft will lift off on September 8 for the near-Earth Bennu asteroid.

New research shows that two warming pulses in Earth's ocean temperatures corresponded to the times of both the volcanic eruptions and the giant impact that wiped out dinosaurs.

NASA's Dawn spacecraft spent several weeks mapping Ceres from 900 miles up. Here's a simulated tour.

Asteroid 163899 will be passing by, 6.7 million miles away.

An asteroid could provide the base for our Empire's digs, Brian Muirhead says.

The moon will appear large, bright and red, but it doesn't spell doom.

The American Museum of Natural History releases a video to mark the first Asteroid Day.

NASA "did not expect to be this puzzled" by the appearance of two reflective lights on the protoplanet.

Queen's Brian May joins fellow astrophysicists in launching a campaign to save the world from asteroids.

Scientists believe a falling piece of asteroid caused the crater

NASA suggests praying is still our best hope for keeping giant meteorites from crashing into Earth but others are working on a planetary defense