asteroid
An Asteroid has Been Discovered With Three Moons!
Planets aren’t the only celestial objects with moons - asteroids can have them too. They are usually other, smaller asteroids…
This Object is Both an Asteroid and a Comet
In astronomy, comets and asteroids are defined very differently. Comets have a “nucleus,” usually made of ice and dust, and…
Scientists Figure out how the Asteroid Belt Attacked the Dinosaurs
How do you track an asteroid that hit the Earth over 60 million years ago? By using a combination of…
Here’s the Asteroid Hayabusa2 is Going to be Visiting Next
Check out this image of asteroid 1998 KY26 from the Subaru Telescope. It's not exactly beautiful, but it's not intended…
Interstellar Oumuamua Was a Dark Hydrogen Iceberg
When Canadian astronomer Robert Weryk discovered `Oumuamua passing through our Solar System with the Pan-STARRS telescope, in October 2017, it…
The dinosaur killing asteroid hit the Earth at the most devastating possible angle
There are bad days, and then there are really bad days. 65 million years ago, life on Earth - especially…
Astronomers Discover a Tiny New Temporary Moon for the Earth. Welcome to the Family 2020 CD3
Astronomers are increasingly interested in Near-Earth Objects, or NEOs. There are ongoing efforts to find them all and catalog them…
Asteroid Ryugu is a “Fragile Rubble Pile”
When Japan's Hayabusa 2 spacecraft arrived at asteroid Ryugu in June 2018, it carried four small rovers with it. Hayabusa…
Hayabusa1’s Samples of Itokawa Turned up Water That’s Very Similar to Earth’s Oceans
A recent study of samples from the asteroid Itokawa has revealed that "dry" asteroids may have delivered up to half…
OSIRIS-REx has Finally Caught up with Asteroid Bennu. Let the Analysis and Sample Collection Commence!
NASA's OSIRIS-REx spacecraft has reached its destination and is now in orbit around asteroid Bennu. The spacecraft travelled for over…