Moon facts: Fun information about the Earth's moon By Charles Q. Choi Learn how Earth’s moon formed, how its orbit affects Earth’s tides, why solar and lunar eclipses happen and the history of lunar exploration.
Earth's sun: Facts about the sun's age, size and history By Charles Q. Choi Read about the history and future of Earth’s sun as well as fun facts about the sun’s age, size, temperature, and phenomena like solar flares.
How was the sun formed? By Nola Taylor Redd Material from the solar system's creation clumped together to form our closest star.
How many stars are in the Milky Way? By Elizabeth Howell Astronomers have several ways to count stars, but getting a definitive answer to how many there are in a galaxy is "surprisingly difficult."
Do parallel universes exist? We might live in a multiverse. By Vicky Stein There are a few good theories for a multiverse — an infinite number of parallel universes besides our own.
Solar eclipse guide 2021: When, where & how to see them By Doris Elin Urrutia In 2021 a "ring of fire" solar eclipse will appear in June, followed by a total solar eclipse in December.
Einstein's theory of general relativity By Nola Taylor Redd, Meghan Bartels Albert Einstein's theory of general relativity is based on the idea that massive objects cause a distortion in space-time, which is felt as gravity.
Space calendar 2021: Rocket launches, sky events, missions & more! By Hanneke Weitering Here's a guide to all the rocket launches and astronomical events in 2021, as well as milestones for space missions, anniversaries and conferences.
What's the story behind the stars? By Nikole Robinson, All About Space magazine We look up today and see the stars divided into the same familiar shapes as our ancestors, but how did the constellations come to be?
The brightest planets in June's night sky: How to see them (and when) By Joe Rao Here's how to see planets visible in June's night sky.
Is our sun going into hibernation? By Kulvinder Singh Chadha, All About Space magazine Each sunspot cycle has been getting less intense. Is our star falling asleep?
Night sky, June 2021: What you can see this month [maps] By Chris Vaughan Find out what's up in your night sky during June 2021 and how to see it in this Space.com stargazing guide.
Starlink: SpaceX's satellite internet project By Adam Mann Starlink is a satellite network created by private spaceflight company SpaceX.
10 mind-boggling things you should know about quantum physics By Colin Stuart, All About Space magazine From the multiverse to black holes, here’s your cheat sheet to the spooky side of the universe.
Constellations of the Western zodiac By Vicky Stein The Western zodiac is a set of constellations defined by ancient scientists and diviners. Now, they're used to orient skywatchers, navigate without technology and inspire interest in the night sky.
Black holes, aliens, multiverse & Mars: Space TED talks you need to watch By Libby Plummer, All About Space magazine Be even more inspired by the universe and TED Talks with our top picks of ideas worth spreading.
The ultimate guide to observing the moon By All About Space magazine We take you on a moonlit tour of our rocky companion
Stephen Hawking: Everything you need to know about the thesis that 'broke the Internet' By Colin Stuart, All About Space magazine Your cheat sheet into the mind of one of the world’s greatest physicists.
Mars helicopter Ingenuity: First aircraft to fly on Red Planet By Chelsea Gohd NASA's Mars helicopter Ingenuity landed with the Perseverance rover on the Red Planet in Feb. 2021 as part of the agency's Mars 2020 mission.
