Planet killer asteroids are space rocks that are 1 kilometer across or larger and could have a devastating effect on life. But smaller asteroids can cause regional devastation if they are ...

Astronomers believe that 14,000 undiscovered near-Earth objects like asteroids, large enough to cause damage, could be in space. Recently, NASA was tracking a large asteroid flying past Earth ...

Space agencies have systems in place to spot, track, and forecast the future orbits of potentially hazardous asteroids. NASA has a network of telescopes used to track near-Earth asteroids ...

The MPC, part of the International Astronomical Union, maintains an official catalog of near-Earth objects like asteroids and comets. It reports, names and numbers new discoveries. Multiple ...

Here’s what experts think. All asteroids orbit the sun, and some have orbital paths that cross Earth’s. That’s the case with 2024 YR4, one of about 20,000 Apollo-type asteroids that orbit ...

In short, asteroid 2024 YR4 went from breaking records for known threatening asteroids to being a near-zero threat. At some point in the near future, this risk may be out of date. The rock is 130 ...

Countless asteroids in our solar system, some close, some far — but did you know that some of these space rocks have names? Several years ago, Unistellar held a contest to name an asteroid its citizen ...

“People say the dinosaurs didn’t have a space program - or astronomers to track asteroids - that’s what killed them,” he muses. While astronomers at NASA and the European Space Agency have ...

By analyzing the D/H ratio–the proportion of heavy hydrogen (deuterium) to standard hydrogen–scientists found that Earth's water more closely matches that of "carbonaceous" asteroids ...