Night Sky, November 2019: What You Can See This Month [Maps] By Chris Vaughan Find out what's up in your night sky during November 2019 and how to see it in this Space.com stargazing guide.
Yerkes Observatory: Home of Largest Refracting Telescope By Steve Fentress The Yerkes Observatory is more than 120 years old and is most known for contributing to discoveries about stellar motion and cartography.
X-37B: The Air Force's Mysterious Space Plane By Mike Wall A look at the U.S. Air Force's unmanned X-37B space plane, which has flown four secret, long-duration missions in Earth orbit to date.
Green Bank Observatory: Pioneering Radio Astronomy By Tim Childers Home to the largest fully steerable telescope in the world, Green Bank Observatory has a long history of leading the world in radio astronomy.
The Black Knight Satellite: A Hodgepodge of Alien Conspiracy Theories By David Crookes, All About Space magazine Some think it could be an extraterrestrial spacecraft — but is it?
Hope Mars Mission: Launching the Arab World into the Space Race By Jeremy Rehm When the UAE president announced that his country would make a satellite to study Mars' atmosphere in unparalleled detail, he set an unprecedented goal for the Arab world.
Jupiter's Great Red Spot: Our Solar System's Most Famous Storm By JoAnna Wendel It's been a great, enormous storm for more than a 100 years. But will Jupiter's Great Red Spot last much longer?
How Can a Star Be Older Than the Universe? By David Crookes, All About Space Somebody is lying about their age.
Alexei Leonov: Spacewalk Pioneer By Kimberly Hickok Alexei Leonov was the first person to leave the relative safety of his spacecraft and experience the silence of space.
2019 Full Moon Calendar By Tim Sharp, Kimberly Hickok The full moon happens once a month. Find out when.
Solar System Planets: Order of the 8 (or 9) Planets By Robert Roy Britt There used to be nine planets. Now there are eight, or maybe there are nine after all. Whichever you prefer, here is a list of them in the order they appear in the solar system.
Starship and Super Heavy: SpaceX's Mars-Colonizing Transportation System By Mike Wall How Elon Musk plans to help settle the Red Planet.
Pleiades: The Seven Sisters Star Cluster By Adam Mann All about the bright star cluster known as the Pleiades.
Chandrayaan-2: India's Orbiter-Lander-Rover Mission By Elizabeth Howell Chandrayaan-2 was India's second mission to the moon.
The Four Fundamental Forces of Nature By Jeremy Rehm The forces and interactions we see and experience every day seem infinite. But they all stem from just four fundamental forces of nature.
Where Do Black Holes Lead? By David Crookes, All About Space If you could journey through the cosmos' most monstrous objects, what tales — if any — would you be able to tell?
Scott Kelly: The American Astronaut Who Spent a Year in Space By Elizabeth Howell Scott Kelly clocked 340 consecutive days in space and 520 days in space total during his career as a NASA astronaut.