What Really Happened to Yuri Gagarin, the First Man in Space?
April 12, 2016

Seven years after becoming the first man to fly into outer space, Soviet cosmonaut Yuri Gagarin died in a plane crash under mysterious circumstances. Read More

Scientists Detect Gravitational Waves, Just Like Einstein Predicted
March 9, 2016

Scientists recently announced they had detected gravitational waves produced by the collision of two massive black holes, confirming the theory proposed by Albert Einstein 100 years ago. Read More

11 Things You May Not Know About Scott Kelly’s Year in Space
March 7, 2016

As astronaut Scott Kelly readjusts to life on Earth, explore some fascinating facts about his record-breaking year in orbit. Read More

Have Researchers Discovered a (New) Ninth Planet?
January 21, 2016

Astronomers at the California Institute of Technology have found evidence of what could be a massive, newly-discovered planet in the outer reaches of the Milky Way. Read More

NASA Space Probe Makes Historic Pluto Flyby
July 15, 2015

After a journey of nine years and some 3 billion miles, NASA’s New Horizons spacecraft flew by the dwarf planet Pluto and its five moons yesterday morning. Read More

10 Fascinating Facts About the Hubble Space Telescope
April 23, 2015

A quarter of a century after its mission began, get the lowdown on the telescope that helped revolutionize humanity’s understanding of the cosmos. Read More

45 Years Ago, Apollo 13 Launches
April 10, 2015

At 2:13 p.m. on April 11, 1970, Apollo 13 lifted off from Cape Canaveral, Florida, embarking on what was supposed to be the third space mission to land on the Moon. Read More

Lighting Simulation Offers More Proof of Moon Landing
September 26, 2014

A new virtual lighting model by computer graphics chipmaker Nvidia debunks claims that the Apollo moon landings were staged. Read More

Navy Christens Research Ship Named for Sally Ride
August 12, 2014

The U.S. Navy has christened a new research vessel named in honor of the first American woman in space, Sally Ride. Read More

Transiting Exoplanet with Longest Known Year Found
July 24, 2014

Using the Kepler telescope, astronomers have found an orbiting body with the longest year—704 days—of any transiting exoplanet yet discovered. Read More