A new study suggests that Mars had a much larger ocean than previously thought. However, we can't understand how the Martian climate was ever able to support such an ocean.

A new study by scientists from UNLV indicates that astronauts going to Mars will be at an increased risk of cancer caused by exposure to radiation.

There's one reason to stay up late this summer, as the planet Saturn reaches opposition this week on June 15th and crosses into the evening sky.

Cosmologists tell us that the Universe is flat. It sure feels like 3-dimensions. What does this even mean, and how do we know it's true?

KENNEDY SPACE CENTER, FL - The first ever reused Dragon supply ship successfully arrived at the International Space Station (ISS) two days after a thunderous liftoff from NASA's Kennedy Space Center atop a SpaceX Falcon 9 rocket on Saturday, June 3. The first stage booster made a magnificent return to the Cape and erect ground landing some 8 minutes after liftoff.

New observations conducted a team of astronomers using the ALMA telescope have explained why the coldest object is so frigid!

A new study by a team of researchers from the Future of Humanity Institute argues that the reason we haven't detected any aliens is because they are currently sleeping.

Saturn is the second largest planet in the Solar System, so big that you could fit Earth inside it 763 times and still have some room left over!

Located in the Taurus Constellation, between 390 and 456 light years from Earth, is the famous and easily-visible Pleiades Constellation.

The Neutron Star Interior Composition Explorer (NICER) is being deployed to the ISS, and promises to yield some impressive scientific returns very soon.

KENNEDY SPACE CENTER, FL - After threatening stormy skies over the Florida Space Coast miraculously parted just in the nick of time, the first ever recycled SpaceX Dragon cargo freighter blasted off on the 100th flight from historic pad 39A on the Kennedy Space Center (KSC) - bound for the International Space Station (ISS) and loaded with a science rich cargo for the multinational crew late Saturday afternoon June 3.

Stratolaunch just unveiled its new air-launch vehicle - the Stratolaunch Aircraft - which also happens to be the largest aircraft in the world

Owning land here on Earth is nice and legal. But what about a plot of land on the Moon or Mars? When can I buy some ice on Europa?

LIGO has detected a third instance of gravitational waves. Like the previous two, this one was caused by merging black holes.

In a new article, Dr. Morris Jones of METI International proposed expanding our search for evidence of intelligent life by examining more exotic forms of communication

A team of researchers questions the existence of an event horizon around black holes and wonders what it would look like when a star collides with one.

KENNEDY SPACE CENTER, FL - The 100th blastoff from NASA's historic pad 39A features a SpaceX Dragon resupply mission carrying three tons of science and crew supplies to the International Space Station as well as another unfathomable ground landing of the Falcon 9 rockets first stage. UPDATE: Stormy weather and lightning scrubs launch until Saturday, June 3 at 5:07 p.m.