Space.com

In July, the Mutual UFO Network (MUFON) celebrates 50 years of investigating and promoting research about unidentified flying objects. Do we know any more now than we did in 1969?

SpaceX's Falcon Heavy rocket fires its engines for a spectacular nighttime liftoff from NASA's historic launch pad 39A at Kennedy Space Center in Florida.

Something dark is spreading across the surface of Titan, and we may finally have some idea what it is.

Phosphine, a horrible-smelling gas that's toxic to life on Earth, could signal the existence of alien life-forms elsewhere in the universe.

Whether you're looking for a new pair of eclipse glasses or you've already purchased some form of eye protection, here's what you need to know to avoid burning your eyes during the solar eclipse.

On Tuesday, July 2, a lot of ocean and a few tiny bits of land will lie under a moon-blackened sun.

Dairy Queen is turning its celebration of the first moon landing upside down. The soft serve ice cream chain has debuted the "Zero Gravity Blizzard," a cosmic-colored, frozen treat in honor of the 50th anniversary of the Apollo 11 mission.

NASA's bold decision to send the Apollo 8 mission around the moon — instead of sticking around Earth to do more testing — comes to the fore in an exclusive clip from the PBS special, "Chasing the Moon."

Three small cubesats were released into low Earth orbit last week as part of a program that helps countries build their first satellites.

An Earth-observation satellite spotted something leaving our planet early this morning (June 25).

Summer is the season for tourists, and that includes a cosmic traveler — one that's three times the length of a football field — that's expected to visit Earth's neighborhood later this week.

An executive order calling for an across-the-board reduction in federal advisory groups could force NASA to shut down several of the committees that support the agency.

On June 26, 1954, the National Advisory Committee for Aeronautics — basically pre-1958 NASA — moved their headquarters to a brand new facility at Edwards Air Force Base in California. See how it happened in our "On This Day in Space" video series!

The new moon occurs July 2, at 3:16 p.m. EDT (1916 GMT), and will offer up a total solar eclipse that will cross South America from just south of Buenos Aires to the city of La Serena, Chile.

See replays of Monday's space station crew landing followed by a Falcon Heavy rocket launch early Tuesday morning.

Your old solar eclipse glasses might be reusable. Here's how to check whether they will safely protect your eyes from the sun.

Boeing announced June 19 it will move the headquarters of its space division from the Washington, DC area to Florida as a number of its major programs shift from development to operations.

A Long March 3B lifted off from the Xichang Satellite Launch Center in southwest China at 2:09 p.m. Eastern Monday, sending a Beidou satellite toward an inclined geosynchronous orbit.

SpaceX marked a milestone today (June 25) as the company's Falcon Heavy megarocket successfully lofted two dozen satellites into orbit.

A Russian cosmonaut and astronauts from the United States and Canada returned to Earth after spending more than 200 days on board the International Space Station.