Meteors, Shooting Stars and Fireballs By Sarah Lewin published 22 June 18 Meteors, also known as shooting stars, are pieces of dust and debris from space that burn up in Earth's atmosphere, where they can create a bright streak across the night sky.
Theory of Relativity in Space By Chelsea Gohd published 22 June 18 Albert Einstein's theory of relativity explains how space and time are linked.
Big Bang Theory By Tariq Malik published 22 June 18 Big Bang theory is the leading explanation for how our universe began.
Interstellar Travel By Tariq Malik published 22 June 18 Interstellar travel is the ability to travel between stars in the exploration of space.
Moon Phases By Tariq Malik published 22 June 18 There are eight distinct phases every month, four of them occurring roughly a week apart.
Gravitational Waves By Tariq Malik published 22 June 18 Gravitational waves are ripples in space-time created by the interaction of massive objects in space, such as black holes and neutron stars.
Comets: News on Sightings, Missions and Encounters By Space.com Staff published 19 June 18 See news, images and videos about comets, icy wanderers in the solar system.
Latest News About Uranus, Seventh Planet from the Sun By Hanneke Weitering published 19 June 18 Uranus is the seventh planet from the sun and the third-largest planet in the solar system.
International Space Station By Tariq Malik published 7 June 18 The International Space Station is a $100 billion research outpost in low-Earth orbit. See the latest news, photos and videos from ISS missions here.
Rocket Launches By Tariq Malik published 7 June 18 Rocket launches used to be the realm of national governments, but with the rise of private spaceflight companies more rockets are launching into space than ever before.
Latest News About the Juno Mission to Jupiter By Space.com Staff published 3 June 18 NASA's Jupiter-bound Juno probe will study the gas giant's atmosphere, magnetosphere and gravitational field. Juno will orbit Jupiter for about a year.
Aurora Borealis By Sarah Lewin published 15 May 18 The aurora borealis, also known as the northern lights, is the rippling night-sky light display found at the northernmost reaches of the Earth.
Dark Matter By Sarah Lewin published 15 May 18 Roughly 80 percent of the mass of the universe appears to be dark matter: a material that seems to interact with ordinary matter only through gravity, without emitting light or energy.
SpaceX's Falcon Heavy: Latest News, Images and Video By Tariq Malik published 8 February 18 Learn more about SpaceX's Falcon Heavy rocket, the world's most powerful booster, which made its debut flight on Feb. 6, 2018.
Saturn: The Latest Discoveries By Space.com Staff published 11 September 17 Learn the latest discoveries about the ringed planet Saturn.
'We Don't Planet': Short Astrophysics Explainer Videos By Mike Wall published 12 May 17 "We Don't Planet" is a new series of short explainer videos covering the most interesting objects and topics in the universe. Watch each new video, and learn about its subject matter, here.
