Researchers say a comet killed the dinosaurs
In a geological moment about 66 million years ago, something killed off almost all the dinosaurs and some 70 percent of all other species living on Earth. Only those dinosaurs related to birds appear to have ...
Asteroid strike into ocean could deplete ozone layer
Collision course? A comet heads for Mars
Over the years, the spacefaring nations of Earth have sent dozens of probes and rovers to explore Mars. Today there are three active satellites circling the red planet while two rovers, Opportunity and Curiosity, ...
Researchers suggest comet most likely cause of Chicxulub crater
Best way to stop a killer asteroid? Form a committee
The United Nations (UN) has adopted several recommendations of a new asteroid defence plan, the first steps in preventing Earth from being struck by an asteroid. ...
Research group suggests Chicxulub crater may have been caused by binary asteroids
Every way devised to deflect an asteroid
With asteroid 2005 YU55 passing close by Earth yesterday, this rather unsettlingly near flyby has many people wondering if we would be able to divert an asteroid that was heading for an intersection with Earth ...
Is life on Mars related to life on Earth?
The idea that there is life on other worlds is humbling and exciting, and finding life on another world would change everything. This has been a driving force for scientists for decades. We find life wherever ...
Asteroid expert says surveillance is key to survival, planning is key to defense
(Phys.org) —For the threat of meteor strikes large or small, early detection is key, and evacuation may be the only defense needed within the next 1,000 years, according to an asteroid impact expert.
Russia mulls beacons and the bomb to thwart asteroids
Russian officials on Tuesday proposed ideas ranging from planting beacon transmitters on asteroids to megaton-sized nuclear strikes to avert the threat from meteor collisions with the Earth.