The cave mapping is all part of tests to see how these technologies could one day explore and map other planets.
The cave mapping is all part of tests to see how these technologies could one day explore and map other planets.
Our star-spangled photo of the day is a reminder of things we're losing.
It takes a lot of fuel to get off the ground; launching from a plane can save time and energy.
The 2017 solstice falls on June 20 or June 21 depending on where you are ... celebrate with a crash course in curiosities about the longest day of the year.
In honor of the upcoming eclipse, the new USPS Forever stamp uses thermochromic ink to offer two stamps in one.
Convinced that our time on Earth is short, the astrophysicist says we should (and could) hit the moon within 30 years.
Because we all need role models and she is the living embodiment of the term.
Heather Hava won the Lemelson-MIT prize for her invention.
It took a while but it finally got inflated. The Satelloon flies again!
It may be 3.1 billion miles away, but Ceres’ Ahuna Mons is nonetheless a spectacular thing.
This month's full moon boasts some unique features that make it a marvelous must-see.
Well hello, fall.
In the keynote address to the 2016 IAC, Elon Musk shares his vision, just after tweeting the first successful firing of the raptor rocket that could make it happen
This unusual celestial event happens in the Western Hemisphere on Friday, September 30.
Tandem satellite choreography has mapped the planet to 1-meter accuracy. In addition to amazing images, the data provides a treasure trove to earth scientists
The presence of the huge and distant (and as-of-yet unseen) planet explains many enduring mysteries; now a study suggests it’s responsible for the unusual tilt of the sun.
November’s must-see majestic supermoon will be the closest full moon to date in the 21st century.
It's the supermoon, after all! What better way to commemorate such a rare event than to bask in its silvery splendor?
Will he turn all the cameras around?
Astronomers look to another star and its orbiting planet for a sneak peek of own solar system when the sun becomes 100 times larger than it is now.
