References

The only total solar eclipse of 2021 was only visible across a remote stretch of Antarctica. See photos of what scientists saw.

The Kardashev scale classifies hypothetical alien civilizations by how much energy they use.

reference Black holes are mysterious objects of extreme density, with such strong gravitational attraction that even light cannot escape from their grasp if it comes near enough.

The full moon happens about once a month. Find out when.

Learn about the moon phases and when you can see them.

REFERENCE Solar eclipses are one of nature's most spectacular events.

The Milky Way is our galactic home, but studying it has been notoriously difficult. Thanks to the European Gaia mission, astronomers are finally unravelling the galaxy's fascinating evolution.

Reference Lunar eclipses occur when Earth's shadow blocks the sun. There are three types; the most dramatic is a total lunar eclipse. Find out when the next one will be.

Zeiss binoculars deals are tough to spot... but we're keeping an eye out for them.

Deals We've rounded up the best Nikon binoculars deals, with something for every budget.

Here are all the best Bushnell binoculars deals this year, with pairs to suit stargazers and wildlife enthusiasts.

We’ve combed through all the telescopes at Best Buy, looking for Cyber Monday deals and checking stock levels on popular models.

There are several discounts on Celestron telescopes at Walmart, get them before they're gone!

We’re scouring the internet for the best Vortex binoculars deals, so you can get the lowest price available.

There are heaps of telescopes on Amazon, many of which are discounted as part of this year's sales.

Deals We're keeping a close eye on the Cyber Monday telescope deals as they roll in — here are the best discounts available today.

Find out what's up in your night sky during December 2021 and how to see it in this Space.com stargazing guide.

From the Millennium Falcon to R2-D2, or even The Mandalorian’s Razor Crest, these are the best Lego Star Wars sets out there.

Here's how to see planets visible in December's night sky.