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.
Earth's atmosphere By Tim Sharp Earth is the only planet in the solar system with an atmosphere that can sustain life.
Planet Earth: Facts about our home planet By Charles Q. Choi Earth is the only planet known to support life. Learn about what Earth is made of and where it came from.
The search for alien life By Mike Wall Here's a look at where the hunt for aliens has been and where it's headed.
Blue Origin: Quiet plans for spaceships By Elizabeth Howell Blue Origin is a private spaceflight company founded by Jeff Bezos.
New Shepard: Rocket for space tourism By Elizabeth Howell New Shepard is a rocket manufactured by Blue Origin for space tourism. It is designed to take up to six passengers into suborbital space inside of a crew capsule.
Jeff Bezos: Blue Origin and Amazon founder By Elizabeth Howell Jeff Bezos, who made his fortune as the founder of Amazon also created Blue Origin, a space company focused on bringing humans into suborbit.
Dark stars: The first stars in the universe By All About Space magazine, Amanda Doyle These cosmic creators, powered by dark matter, could be responsible for our existence, along with the appearance of today's universe.
The hunt for wormholes: How scientists look for space-time tunnels By Colin Stuart, All About Space magazine Usually confined to the pages of science fiction, astronomers are starting to think wormholes through space-time might be real after all.
Venus: The hot, hellish & volcanic planet By Charles Q. Choi Venus is the brightest planet in our solar system, has a hellish atmosphere and is covered in volcanoes. Learn more about Venus here.
Richard Branson: Music mogul & space tourism entrepreneur By Elizabeth Howell Richard Branson, through his company Virgin Galactic, plans to offer flights into space for well-paying customers.
Virgin Galactic: Richard Branson's space tourism company By Elizabeth Howell Entrepreneur Richard Branson expects to take paying passengers into space in the next few years.
Is time travel possible? By Vicky Stein Science says time travel is possible, but probably not in the way you're thinking.
NASA's Marshall Space Flight Center: A hub for historic and modern-day rocket power By Steve Fentress Wernher von Braun's crew built Saturn rockets here. Skylab, Hubble and Chandra all had roots here. Now, Marshall Space Flight Center tests rocket bodies for Artemis and engines for Blue Origin.
How big is Earth? By Tim Sharp How big is Earth? Earth is the fifth-largest planet in the solar system and the densest.
A 'strange signal' is coming from the Milky Way. What's causing it? By David Crookes , All About Space magazine Space Mysteries: A fast radio burst was detected from within our galaxy for the first time. We may be closer to uncovering its origin.
The brightest planets in July's night sky: How to see them (and when) By Joe Rao Here's how to see planets visible in July's night sky.
The Cygnus spacecraft: Northrop Grumman's cargo ship By Adam Mann Information about Northrop Grumman's uncrewed Cygnus cargo vehicle.
Night sky, July 2021: What you can see this month [maps] By Chris Vaughan Find out what's up in your night sky during July 2021 and how to see it in this Space.com stargazing guide.
