Asteroids

There Might Be Water On All Rocky Planets

If you asked someone who was reasonably scientifically literate how Earth got its water, they'd likely tell you it came…

5 days ago

New Scans Give us a Better View of the Metal Asteroid Psyche

In 2022, NASA will launch a spacecraft to asteroid Psyche (16 Psyche), one of the largest in the asteroid belt,…

3 weeks ago

Success! OSIRIS-REx Touches Asteroid Bennu to Collect Samples

Out in the asteroid belt, 207 million miles (334 million km) from Earth, a little spacecraft briefly touched down on…

1 month ago

We Might Have a New Mini-Moon Soon

Is it a new asteroid mini--moon or a human-made mini-moon? That’s the question about a small object approaching Earth, called…

2 months ago

Hayabusa2’s Mission isn’t Over. It has a New Asteroid Target to Visit: 1998 KY26

In an expected move, the Japan Aerospace Exploration Agency (JAXA) has announced a mission extension for their Hayabusa2 spacecraft. Hayabusa2…

2 months ago

Astronomers Have Discovered a 2-km Asteroid Orbiting Closer to the Sun than Venus

Astronomers have painstakingly built models of the asteroid population, and those models predict that there will be ~1 km sized…

2 months ago

Bennu is Constantly Getting Sandblasted by Tiny Meteoroids

As soon as the OSIRIS-REx spacecraft arrived at asteroid Bennu in December 2018, there was a big surprise. Scientists expected…

2 months ago

There are Three Asteroids Hiding in this Animation, See If You Can Find Them

This summer, the European Space Agency’s Near-Earth Object Coordination Centre (NEOCC) started posting “riddles” or challenges on their website. These…

3 months ago

Completely Harmless Asteroid Almost Certainly Won’t Hit Earth Just Before the US Election

In a year of devastating wildfires, destructive derechos, early and active hurricanes, widespread social unrest, contentious politics and more --…

3 months ago

Ancient Meteorites Can be Found Embedded in Rocks, Like Fossils

Comets visit the inner Solar System, and leave without saying goodbye. Maybe they leave a trail of dust behind, and…

4 months ago