SpaceX, Starship, Dragon Capsules & Falcon 9: Latest News By SPACE.com Staff Private rocket company SpaceX is a leader among the new space push to send humans to orbit on commercial craft.
Latest News About China's Space Program By SPACE.com Staff See the latest on China's space program, rocket launches and space missions.
Latest Discoveries About Pluto, the Dwarf Planet By SPACE.com Staff Pluto, originally considered the ninth planet, was recently classified as a dwarf planet and is the least massive planet in the solar system.
Multiverse By Sarah Lewin Scientists speculate that ours might not be the only universe out there — we might instead live in a "multiverse".
UFOs and Extraterrestrials By Tariq Malik UFOs, or Unidentified Flying Objects, and extraterrestrials are perennial favorites in science fiction, but to date there have been no confirmed encounters on Earth.
NASA By Tariq Malik NASA is the federal space agency run by the United States to oversee American space exploration, research and technology.
Meteors, Shooting Stars and Fireballs By Sarah Lewin 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 Albert Einstein's theory of relativity explains how space and time are linked.
Big Bang Theory By Tariq Malik Big Bang theory is the leading explanation for how our universe began.
Interstellar Travel By Tariq Malik Interstellar travel is the ability to travel between stars in the exploration of space.
Moon Phases By Tariq Malik There are eight distinct phases every month, four of them occurring roughly a week apart.
Gravitational Waves By Tariq Malik 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 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 Uranus is the seventh planet from the sun and the third-largest planet in the solar system.
International Space Station By Tariq Malik 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 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.