Latest articles by Karl Tate
NASA's Voyager 1 and 2 probes launched in 1977 to visit the outer planets of the solar system.
Unlike most exoplanet discoveries, the system of HR 8799 can be directly viewed by Earth-based telescopes.
Made up of dozens of small radio telescope dishes, the ALMA telescope will be one of the most powerful in the world when finished.
Comet Pan-STARRS brightens Earth's night sky in March 2013. The comet was discovered in June 2011.
Already tested as a cargo carrier, the Dragon spacecraft can also be fitted out to shuttle passengers to low orbit and to the International Space Station.
Since the 1960s, humans have invaded our neighboring planet Mars with swarms of spacecraft. Only half of the attempts ever succeeded.
Kepler-37b, about the size of Earth's moon, orbits a sun-like star 215 light-years away.
The Feb. 15, 2013 meteor blast over Chelyabinsk, Russia, damaged hundreds of buildings and injured more than 1,000 people.
On Feb. 15, 2013, a 150-foot asteroid will fly past Earth at an altitude of 17,200 miles - closer than our own communications satellites.
See how NASA's Landsat satellite constellation has revolutionized our understanding of Earth over 40 yearsa in this SPACE.com infographic.
Sept. 8, 2011 marks 45 years since "Star Trek" first appeared on TV screens.
Missile technology has extended the military reach of countries to the entire planet.
See how the Columbia shuttle accident of Feb 1, 2003, occurred in this SPACE.com infographic.
Space is a dangerous place for humans. Learn about the perils of human spaceflight in this infographic.
The nuclear-powered mobile science laboratory Curiosity will roll across the surface of Mars for years, searching for the conditions that may have once made Mars an abode of life.
Distances driven by wheeled vehicles on the Moon and Mars.
The mystery of the amazingly hot solar atmosphere may have been solved. Giant twisters bigger than the United States may move heat up from the surface.
Two new companies, Planetary Resources and Deep Space Industries, plan to mine asteroids for precious metals and resources. See how it could work in this SPACE.com infographic.
Black holes are strange regions where gravity is strong enough to bend light, warp space and distort time.
Details of the Orion four-person capsule that could carry crews to the Moon or an asteroid, beginning in 2021.
Find out the facts about Titan's heavy atmosphere, lakes of hydrocarbons and the possibility of life.
Scientists say an enormous cluster of quasars in the distant universe is larger than should be possible.
