Where our atmosphere ends and space begins has been the subject of debate for some time. But thanks to decades of exploration, we have a working definition.

Friday night will feature a big orange Harvest Moon rising in the eastern sky at sunset. You don't want to miss it.

CAPE CANAVERAL AIR FORCE STATION, FL - Less than two weeks after a still mysterious launch pad explosion utterly destroyed a SpaceX Falcon 9 rocket during testing on Sept. 1, the bold and seemingly undaunted firm is already setting its sights on a 'Return to Flight' launch as early as November of this year, SpaceX President Gwynne Shotwell said Tuesday.

Israel's newest spy satellite has successfully reached orbit, but is experiencing problems and not functioning properly.

Like Earth, Jupiter experiences weather patterns. The only difference is that - as with everything else on Jupiter - they are much, much bigger!

Given the importance of geology to space exploration, the ESA is conducting multiple programs to make sure astronauts understand rocks!

A new study probes the circum-stellar disks structures (CDSs) around 3 Sun-like stars to try to better understand the structure of these rings.

Much like Earth, the Sun is not a single object, but is made up of layer. Each layer is responsible for a different function that adds up to it providing us with all the heat and light we need to live

Ken UT 12 September 2016 KENNEDY SPACE CENTER, FL - Bound for Bennu, NASA's OSIRIS-REx robotic explorer began a trailblazing 7 year round trip sampling sortie on Sept. 8 in search of the origin of life with a spectacular sky show - thrilling spectators ringing the Florida Space Coast.

Located in the Sagittarius constellation, some 2,150 light years away from Earth, is the bright and large open star cluster known as Messier 23

Blue Origin just unveiled its newest rocket, the New Shepard, which will be able to provide launch services and send crewed missions into high orbit.

Curiosity's latest images show the region known as Murray Butters, which bears a striking resemblance to the deserts of the Southwestern United States

Using a handy time machine, we zoom into the future to get a sneak peek at the sky to come.

The space startup company Infinity2Space moves closer to the concept of Bloostar, or launching satellites into orbit via balloon.

CAPE CANAVERAL AIR FORCE STATION, FL - More than a week after the catastrophic launch pad explosion that eviscerated a SpaceX Falcon 9 rocket during a fueling test, the bold and burgeoning aerospace firm is still confounded by the "most difficult and complex failure" in its history, and is asking the public for help in nailing down the elusive cause - says SpaceX CEO and Founder Elon Musk in a new series of tweets, that also seeks the public's help in the complex investigation.