Mars is not only further from the Sun than Earth, but has an eccentric orbit that leads to a great deal of variation in its seasons and surface temperature

Catch a rare conjunction of Mercury with the Moon next week, and an occultation for a very privileged few.

For the remainder of 2016, all payloads traveling to the US National Lab aboard the ISS will feature a mission patch with Marvel characters

Astronomers have theorized there could be an intermediate stage between neutron stars and black holes called quark stars. Are they out there?

Located in the southern Sagittarius constellation is the Trifid Nebula, a bright star-forming region and combination nebula

A comparison between the rocket that delivered the Apollo astronauts to the Moon, and the one that promises to deliver astronauts and colonists to Mars

MICHOUD ASSEMBLY FACILITY, NEW ORLEANS, LA - NASA has just finished welding together the very first fuel tank for America's humongous Space Launch System (SLS) deep space rocket currently under development - and Universe Today had an exclusive up close look at the liquid hydrogen (LH2) test tank shortly after its birth as well as the first flight tank, during a tour of NASA's New Orleans rocket manufacturing facility on Friday, July 22, shortly after completion of the milestone assembly operation.

The asteroid that punched an "eye" in the Moon is about 10 times more massive than originally thought. Researchers say a protoplanet-sized body slammed into the Moon about 3.8 billion years ago, creating the area called Imbrium Basin that forms the right eye of the so-called "Man in the Moon."

With a long history of contributing to space exploration, the Canadian Space Agency is looking for the next generation of Canadian astronauts

With the upcoming test of the Falcon Heavy rocket, SpaceX is looking to expand its facilities by introducing two new landing pads

Jupiter's iconic Great Red Spot is a huge cyclonic storm big enough to swallow the Earth. But it's been getting smaller over time, while other storms have been growing. What does the future hold for this Jupiterricane?

We toast the 40th anniversary of the dual Viking missions to Mars this week. Time to celebrate an achievement that gave us our first visceral feeling of standing on another planet.

Looking for a way to commemorate the 47th anniversary of the Apollo 11 mission landing on the Moon? Here are a few different ways look back on this historic event and take advantage of advances in technology or new data.

KENNEDY SPACE CENTER, FL - Following a flawless post midnight blastoff two mornings ago, a pair of NASA astronauts executed a flawless capture of the newest SpaceX Dragon supply ship at International Space Station early this morning, July 20, carrying 2.5 tons of priceless research equipment and gear for the resident astronauts and cosmonauts.

Venus' orbit has some strange properties, which includes taking 243.025 days to rotate once, and the fact that it rotates backwards compared to Earth

Some of the greatest discoveries in astronomy have been made by watching how the skies change over time. Today we talk about these techniques, and an observatory that will revolutionize time-based astronomy.

Hosting an evening star party this summer? Then you're in for a treat. Starting this week, all five naked eye planets (Mercury, Venus, Mars, Jupiter and Saturn) are visible in the evening sky at dusk for a bried few weeks.