Johannes Kepler used mathematics to calculate the path of the planets.
The Milky Way is a barred spiral galaxy, about 100,000 light-years across. We live on one of its minor spurs, the Orion Arm.
Kepler-22b is an alien planet that's a bit larger than Earth, but it's in the habitable region of its star.
Space.com talked with author Andy Weir, known for "The Martian," about the world of his new book "Artemis"; creating its lead character, Jazz; and how "the moon is basically made of moon bases, with some assembly required."
One recent trend in science fiction has been to look at class or group conflict in outer space. The new novel "Artemis," by "The Martian" author Andy Weir, continues this theme by focusing on a porter in a future moon colony.
A cool new virtual reality camera arrived at the International Space Station today (Nov. 14) aboard Orbital ATK's Cygnus cargo spacecraft.
NASA has moved up a test of the Orion human spacecraft's launch-escape system (LES) and is working on safety measures for the vehicles first crewed flights.
One hundred and 15 years after the historic Apollo 11 mission landed the first astronauts on the moon, tourists visit "Tranquility Base" and stay at a sprawling commercial base, at least as envisioned by Andy Weir, the author of "The Martian," in his new
The launch of an advanced new weather satellite, the Joint Polar Satellite System 1, was delayed just minutes before its planned liftoff Tuesday (Nov. 14) due to an issue with satellite's Delta II rocket.
A Cygnus cargo spacecraft arrived at the International Space Station (ISS) today (Nov. 14) to deliver food, supplies and some fascinating science experiments to the Expedition 53 astronauts.
Twin astronauts Scott and Mark Kelly were separated for almost a year, undergoing intensive measurements when one was in space and one was on Earth. But that was only the beginning of their scientific odyssey.
This colorful sequence of images profiles the sun from surface to upper atmosphere.
This image shows what happens when two galaxies collide to become one.
The private spaceflight company SpaceX launched two Falcon 9 rockets in three days, and landed their first stage boosters, on Oct. 9 and 11, 2017. See how those amazing missions went in photos here.