The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

NASA still views the moon as a stepping stone to Mars, even though Elon Musk has dismissed Earth's nearest neighbor as "a ...

Now experts have modelled what the possible impact of 2024 YR4 – equal to 15,000,000 tons of TNT – could look like.

These popular astronomy questions, answered by Astronomy magazine, will help you better understand our universe - and share ...

NASA officials have discovered a new asteroid that has a small chance of hitting Earth in December 2032. The near-Earth asteroid has been named 2024 YR4 and is estimated to be 40 to 90 meters wide.

Scientists have long thought that the South Pole-Aitken basin was formed by a shallow-angle impact, but new research suggests ...

DARPA is testing new in-space manufacturing techniques that could enable the construction of massive, mass-efficient ...

Scientists say Vallis Schrödinger and Vallis Planck—dramatic trenches near the lunar south pole—were carved in a blast that ...

Partners use Blue Origin’s New Shepard rocket to test out technologies bound for the moon—without actually sending them there ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

Scientists proposed an explanation for the formation of Vallis Schrödinger and Vallis Planck near the lunar south pole, which ...

The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.