Thousands of asteroids pass near Earth every year, but only a small number truly concern scientists. These objects are monitored closely because of their size, trajectory, and potential impact energy.
An airplane-sized asteroid labeled 2026 BJ8 is racing toward Earth at roughly 50,000 kilometers per hour, but NASA’s tracking shows it will pass at a safe distance. Rather than a disaster warning, the ...
As more satellite megaconstellations continue to be launched, researchers are exploring the odds people could be struck by falling debris from reentering spacecraft.