The day marks the anniversary of a large meteor impact in Siberia on June 30, 1908. This is known as the Tunguska event. As the meteor entered the atmosphere, it exploded several miles above the ...

When we think of space, usually planets, stars, or black holes steal the spotlight. But asteroids, which also form a crucial part, are as interesting and full of mysteries that are yet to be studied ...

Last week, I wrote about the UA’s OSIRIS-REx space mission to gather samples from an asteroid. One of the OSIRIS-REx’s mission is to teach us earthlings about the mission via Facebook, Twitter and ...

Simulations of asteroids near Venus reveal gaps in our ability to detect them. Astronomers are investigating a little-known and largely unseen group of asteroids that quietly orbit the sun alongside ...

June 30, 2015, was the first “Asteroid Day,” when “people from around the world come together to learn about asteroids” and what can be done to protect the planet from asteroid and comet impacts, ...

NASA is monitoring three asteroids soaring past the Earth at about 8,000 to 15,000 miles per hour, the biggest of which measures around 1,300 feet in diameter. The largest space rock, known as "424482 ...

On Oct. 1, 2025, the small asteroid known as 2025 TF whizzed past Earth at a distance of only 266 miles (428 kilometers) from our planet — roughly the same altitude as the International Space Station.

NASA is tracking two bus-sized asteroids in the vicinity of the Earth that are whizzing through space at some 11,000 to 24,000 miles per hour. A space rock known as "2025 HP22," measuring ...

Because their orbits are unstable, a possibility exists that the asteroids could break off from their current trajectory and one day head on a collision course for Earth. The Venusian space rocks are ...

WEST LAFAYETTE, Ind. — New results from OSIRIS-REx, NASA’s first asteroid sample return mission, reveals why some gray asteroids reflect light at different wavelengths, like red or blue, more strongly ...