We've decided to republish Tammy Plotner's Guide to the Messier Objects and Constellations, starting today with M1 - the Crab Nebula.

Wow. This video will knock your socks off ... at least it did mine. This new flyover video of Ceres was created using enhanced images taken by the Dawn spacecraft's framing camera.

On the road to restoring US Human spaceflight from US soil, SpaceX conducted a pair of key tests involving a propulsive hover test and parachute drop test for their Crew Dragon vehicle which is slated to begin human missions in 2017.

Robin Biesbroek's book "Lunar and Interplanetary Trajectories" will show you some of the tricks of the trade in optimizing missions, whether choosing the best launch system or balancing an orbit about a Lagrange point.

Here on Earth, a year lasts roughly 365.2 days. But on the other planets in our Solar System, things get a little more complicated...

A new video shows us in striking detail where we live in the Universe.

Blue Origin reaches an historic milestone as their New Shepard rocket becomes the first successful reusable rocket.

Astrophotographer Matt Dieterich thoughtfully identified all the constellations in this amazing mosaic image of the Milky Way captured from Glacier National Park in Montana in May, 2016.

A recently discovered planet that orbits its star at 1 trillion kilometres raises questions about our understanding of solar system formation.

NASA's world famous Mars Exploration Rover Opportunity continues blazing a daily trail of unprecedented science first's, still swinging her robotic arm robustly into action at a Martian "Mining Zone" on the 12th anniversary of her hair-raising Red Planet touchdown this week, a top rover scientist told Universe Today.

Have you ever seen a ring around the Moon in the sky and wondered what causes it? This is a "moon halo", and it's caused by light passing through ice particles suspended in the high atmosphere.

While some of us might only be dreaming of sticking our toes in the sand right about now, the Curiosity rover is actually doing so. But it's no vacation for the rover, even though she stopped to take a selfie.

Between existing and theoretical technology, it would take a very long time to get to Proxima Centauri, the nearest star. But it is possible...

NEW JERSEY - NASA astronaut Scott Kelly captured a rare display of 'thundersnow' from space as Snowzilla's blast pummeled much of the US East Coast this weekend with two feet or more of blinding snow from the nations' capital to New York City and beyond.

Stay on this road long enough and you'll reach the heart of the Milky Way, just 26,000 light-years to go.

NEW JERSEY- The monstrous 'Blizzard of 2016' predicted by weather forecasters for days has struck a wide swath of the US East Coast from the Gulf coast to the Carolinas to New York and soon into New England, with full fury today, Friday, Jan. 22.