He led the establishment of the Planetary Defense Coordination Office at NASA in January 2016. Prior to NASA, he served 23 years of Air Force active duty working on a host of national security ...

Asteroids colliding with Earth might seem farfetched, but the planetary threat is real. Just this year news broke of an ...

Earth is no longer at risk of a direct collision with the asteroid 2024 YR4, but an impact on the moon in 2032 could send ...

An asteroid crashing into Earth may sound like the stuff of science fiction, but experts warn it’s a real threat—and we may ...

Astronomers have upped the odds that the cosmic boulder will crash into the moon, which could potentially cause a cloud of shrapnel to impact Earth-orbiting satellites and other spacecraft, according ...

A swarm of large asteroids likely lurking around Venus could one day pose an "invisible threat" to Earth if left unchecked, ...

YR4, once the highest impact risk ever recorded, now poses no threat to Earth but has a slightly increased chance of striking ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

Space visionaries, scientists, entrepreneurs and students from around the world are set to gather in Florida next week for ...

YR4, which previously posed the highest impact risk to Earth ever recorded, has now been assessed a slightly higher chance of ...