22 Results for

near-earth objects


Survey finds fewer near-Earth asteroids than once thought

Researchers have now spotted more than 90 percent of the so-called "planet buster" asteroids in nearby orbits and none poses a threat to Earth. But thousands of midsize bodies remain to be found.

By September 29, 2011


Lasers turn asteroids into space rockets

Experiments have demonstrated that it's possible to de-spin and redirect asteroids with high-powered lasers.

By September 10, 2015


Sharper images of dwarf-planet Ceres show strange bright spots

NASA's Dawn mission is closing in on Ceres, and it's looking ahead to getting a better gander at craters and mysterious spots on the the dwarf planet's surface.

By February 18, 2015


Asteroid to swoop by Earth on January 26

You don't have to duck, but a good-sized asteroid will make a fairly close flyby of Earth at the end of the month.

By January 14, 2015


Deep-space radio waves 'heard' at opposite points on Earth

Anomaly no more? Radio observatories in Australia and Puerto Rico have both now picked up brief bursts of radio waves from beyond our galaxy.

By July 15, 2014


See where 26 asteroids smacked Earth with A-bomb force

The B612 Foundation highlights the fact that asteroids come a-knockin' 3 to 10 times more frequently than previously thought. But don't freak out; most explode too high up to cause damage on the ground.

By April 22, 2014


NASA asks citizen scientists to become ‘asteroid hunters’

In an effort to avoid a potential apocalypse, the space agency is holding a contest to get people to help it discover deadly asteroids.

By March 10, 2014


Dangerous but beautiful: An asteroid we still don't want to meet

NASA camera snaps image of the potentially hazardous near-Earth object known as 1998 KN3 as it makes its way past the Orion Nebula.

By August 26, 2013


Earth in crossfire on NASA hazardous asteroid map

Earth is near the center of a tangled mass of potentially hazardous asteroids. But there's little to worry about.

By August 13, 2013


NASA's plan to bag an asteroid wins place in Obama's budget

Fiscal 2014 budget also seeks to give the U.S. the capacity to again send American crews to the International Space Station, without having to rely on foreign nations' space programs.

By April 10, 2013