An asteroid the width of Manhattan will be close enough to Earth tonight to be seen with binoculars. The good news is that the word "close" — like all things astronomical — is relative.

A massive asteroid, spanning more than two miles across, has just made its closest approach to Earth in decades - but its spectacle isn’t over yet. The asteroid, named (887) Alinda, will reach ...

What time is the first full moon of 2025? Here's when the Wolf Moon will peak This Sunday, January 12, the asteroid (887) Alinda, which measures about 4.2 kilometers in diameter, can be seen from ...