Asteroids

JWST Unexpectedly Finds a Small Asteroid During ‘Failed’ Observations

While astronomers and engineers were trying to calibrate one of the James Webb Space Telescope’s instruments last summer, they serendipitously…

1 day ago

Don’t Bother Trying to Destroy Rubble Pile Asteroids

The asteroids in our Solar System are survivors. They've withstood billions of years of collisions. The surviving asteroids are divided…

1 week ago

Truck-Sized Asteroid Flew Past Earth Yesterday, Coming Within 3,600 km

On January 26, a truck-sized asteroid flew past Earth, coming extremely close – within 3,600 km (2,200 miles) above the…

2 weeks ago

Lucy Adds Another Asteroid to its Flyby List

In October 2021, NASA launched its ambitious Lucy mission. Its targets are asteroids, two in the main belt and eight…

2 weeks ago

How did Dimorphos Form?

The otherwise unremarkable double asteroid of Didymos and Dimorphos made headlines as the target of NASA's successful Double Asteroid Redirect…

3 weeks ago

Are Chemical Rockets or Solar Sails Better to Return Resources from Asteroids?

If and when we ever get an asteroid mining industry off the ground, one of the most important decisions to…

4 weeks ago

Arecibo Studied 191 Asteroids That Flew Past the Earth. All the Data are Available in a new Paper

Even from beyond the grave, Arecibo is still contributing to new discoveries. Back in October, researchers released a "treasure trove…

1 month ago

Should Planetary Defence Take Center Stage?

Throughout the Solar System, planets and moons bear the scars of a past fraught with collisions. The Moon, Mercury, and…

1 month ago

Is Mining in Space Socially Acceptable?

Traditional mining has been subject to a negative stigma for some time. People, especially in developed countries, have a relatively…

1 month ago

NASA Makes Asteroid Defense a Priority, Moving its NEO Surveyor Mission Into the Development Phase

There's an old adage in the engineering field - what gets funded gets built. So it's sure to be a…

1 month ago