References

Reference Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around (peri) the sun (helios).

Reference Winter Solstice has long marked a time of rebirth, behind it are fascinating astronomical events.

Reference There are two lunar eclipses in 2025. Our guide tells you how you can see them and when the next lunar eclipse will occur.

Reference A solar eclipse occurs when the moon positions itself between Earth and the sun, casting a shadow over Earth. We explore the type of solar eclipses here.

Reference Find out when you can catch the best meteor showers this year with our 2026 meteor shower calendar.

Reference The next annular solar eclipse will occur on Feb. 17, 2026.

The best star projectors under $100 are rarely beaten on quality and never beaten on price: These are the best options on the market.

With Prime Day coming up in July, now’s a good time to think about picking up one of the best Lego space sets. We’ve rounded up NASA rockets and playsets here.

From the Upside Down through the Devil's Anus and beyond. Here are 6 times these theoretical wormholes turned up in sci-fi shows and movies.

Reference How cold is space? Does it ever drop to absolute zero, and what happens if you fall into it without a spacesuit?