"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

A 170-foot asteroid is set to race past Earth today at extraordinary speed, NASA says. Though no impact is expected, ...

Two landers manufactured by Firefly Aerospace and Intuitive Machines were briefly on the moon at the same time in March 2025. Here's what happened.

NASA planetary defense experts warn that up to 15,000 undetected asteroids could devastate a major city on Earth.

More than 3,000 objects from the late 1800s found buried under a ski resort in Utah, marking a mining town's history ...

On 14 February 2026, at the American Association for the Advancement of Science annual meeting in Phoenix, Arizona, Kelly ...

“What keeps me up at night is the asteroids we don’t know about," said NASA's planetary defense chief.

"We don’t know where they are,” said NASA’s planetary defense officer Kelly Fast at the AAAS conference in Arizona this week.

Thousands of “city killer” asteroids remain undetected, NASA warns, and no ready spacecraft exists to stop one. A recent close call exposed gaps that scientists say still leave Earth vulnerable.

It's been about eight months since the Vera Rubin Observatory (VRO) saw first light. Now the telescope is scanning the night sky to detect transient changes and sending alerts to astronomers and ...

Earth's cosmic neighbourhood is more dynamic than imagined, hosting temporary 'mini-moons' captured by gravity and ...

NASA scientists recently expressed alarm over the potential threat posed by approximately 15,000 undetected asteroids capable of causing significant regional destruction. Currently, only 40 per cent ...