They hope that crashing a spacecraft could one day save the planet.
Arecibo Observatory nets $19 million grant to search for dangerous asteroids
The radio telescope will also research space mining candidates.
Japan's Hayabusa2 probe successfully landed on an asteroid, again (updated)
Back in April the spacecraft blew a small crater in the asteroid Ryugu.
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NASA makes final plans for its 2022 mission to visit an all-metal asteroid
The mission will visit one of the most intriguing asteroids in the solar system.
SpaceX will assist NASA's first-ever mission to redirect an asteroid
Lift off is set for 2021.
Japan's Hayabusa2 spacecraft bombs Ryugu asteroid
It's hoping to create a 10-meter-wide artificial crater.
NASA reveals Bennu asteroid is spewing particles into space
Images from the OSIRIS-REx mission change what we know about asteroids.
Watch the Hayabusa2 probe touch down on asteroid Ryugu
JAXA's new video shows the moment Hayabusa2 fired a bullet into the space rock.
Japan's Hayabusa2 lands on asteroid Ryugu to collect samples
The samples could help shed light on how life on Earth began.
NASA's OSIRIS-REx has started orbiting asteroid Bennu
The asteroid is now the smallest celestial body orbited by a spacecraft.
