Comet Leonard is visible in binoculars and telescopes. Here are our recommendations on telescopes and binoculars to see the comet.
A new video (available on YouTube in 4K) offers a stunning view of the 2021 solar eclipse that occurred on Saturday (Dec. 4).
Astronauts at the International Space Station got a glimpse of the only total solar eclipse of 2021, which was otherwise only visible to a few lucky observers in Antarctica.
The only total solar eclipse of 2021 was only visible across a remote stretch of Antarctica. See photos of what scientists saw.