There's a lot more to the asteroid belt than meets the eye—and some of the things you may have thought you knew may be ...

During the Cold War, the Soviet Union explored ideas so extreme they border on science fiction—including using asteroids as ...

In national security space, “dim objects” typically refer to satellites or debris that emit little energy and are hard to see with traditional sensors. Detecting and characterizing them is already ...

Blasting meteorite samples with CERN’s Super Proton Synchrotron, the team found that the material "became stronger". That ...

Planetary defence research often sits between modelling and imagination, with few chances to test real materials under realistic conditions. A new stu.

My friend Larry Lebofsky has been studying asteroids since we first met as students, more than 50 years ago. Now approaching 80 years old, he still spends a ...

Scientists already knew this could be a doozy. Astronomers previously estimated if 2024 YR4 hits the moon, it could form a ...

Armageddon might not have a reputation as a scientifically accurate film. But scientists now say the Hollywood blockbuster ...

If the building-size asteroid 2024 YR4 crashes into the moon in December 2032, the impact will produce a bright flash that may be visible to the naked eye, a new study finds.

Could humanity nuke an incoming asteroid to deflect it and save the Earth, disaster-movie style? A unique new impact ...

What goes up must come down! Dan Smith shows how pieces of falling space junk can be tracked by their sonic booms. ☄️🔊 ...

January brought a wide range of thoughtful science conversations featuring researchers from the SETI Institute, spanning everything from hands-on planetary defense with citizen scientists to careful ...