On Thursday and Saturday, two different asteroids will hurtle past Earth at close range. You can watch them both live.

On Sunday, the asteroid will reach a peak brightness of magnitude 9.4, which is too faint for the naked eye but visible through entry-level binoculars or a backyard telescope, according to ...

SpaceX launched the Spherex observatory from California, putting it on course to fly ... The telescope’s infrared detectors will be able to distinguish 102 colors invisible to the human eye ...