Check Out Three Amazing Rocket Launches That All Happened on One Day

What a busy weekend for space exploration. There were three successful lift offs around the world, including two Soyuz launches from opposite sides of the Earth: » 3/30/15 7:00am Today 7:00am

Man Plus Has The Kookiest And Therefore Greatest Plan To Colonize Mars

Between Mars One sounding fishy and Curiosity finding nitrogen, Mars is back in the news (if it ever really left). There's still an interest in colonizing "The Angry Red Planet," but that's still a long way off from happening. I can only presume that's because the folks at NASA and the other space exploration… » 3/28/15 11:15am Saturday 11:15am

Watch Today's Historic Launch To The ISS, Live Right Now!

Today at 12:42 p.m. PDT/3:42 p.m. EDT, NASA astronaut Scott Kelly is scheduled to begin his year-long journey to the International Space Station — a voyage which, if successful, will surpass the U.S. record for longest-duration human spaceflight by more than 100 days. » 3/27/15 12:20pm Friday 12:20pm

Russia's Soyuz Spacecraft Looks Fantastic as It Prepares to Launch

Looking like something straight out of a movie, this picture shows the Soyuz TMA-16M spacecraft as it was moved by train to its launchpad at the Baikonur Cosmodrome in Kazakhstan yesterday. » 3/26/15 3:48am Thursday 3:48am

NASA Wants To Give The Moon A Moon

NASA's Asteroid Redirection Mission (ARM) is an ambitious (and divisive) plan to take an asteroid, shunt it into lunar orbit, and then send astronauts to take a sample. The mission is a vital stepping-stone on the journey to Mars, and today, NASA finally announced how it will work. » 3/26/15 1:31am Thursday 1:31am

How To Fly A Spaceship To The ISS: Orbital Mechanics And A Fancy Stick

How do astronauts get from Earth to the International Space Station? Well, in a Soyuz spacecraft, of course. But do you know what kind of path the Soyuz takes to rendezvous with humanity's orbital outpost? It's probably not what you think. » 3/25/15 1:20pm Wednesday 1:20pm

Why the Length of Saturn's Day Is So Hard to Measure 

The length of a planet's day seems like such a simple number, a basic piece of information that should accompany any solar system diagram. But probes flying past Saturn have turned up oddly conflicting numbers. » 3/25/15 5:00pm Wednesday 5:00pm

We Is Here! Relive The Last Moon Mission In Its Entirety

If you are fond of the Apollo project, then you'll love this site Ben Feist has been building for years—which is now online in its very early alpha stage. is a highly addictive, interactive, real-time exploration of the entire Apollo 17 Mission, based upon official NASA footage and the transcription of… » 3/25/15 4:40pm Wednesday 4:40pm

50 Years Ago, NASA Astronauts Smuggled a Corned Beef Sandwich Into Space

On March 23, 1965, astronaut John Young reached into his pocket and offered his crewmate Gus Grissom a corned beef sandwich. It was in the middle of the Gemini 3 mission, and let's be clear, they were in space. It was a silly little prank but one that, man, really pissed off Congress. » 3/24/15 5:55pm Tuesday 5:55pm

Mars's Marathon Valley Sure Is Pretty

When NASA's Opportunity rover paused to take in its surroundings earlier this month, it had quite a views. This is what it saw from the edge of the Endeavour Crater, a part of the planet that's been dubbed Marathon Valley. » 3/25/15 3:50am Wednesday 3:50am

It Only Took NASA 11 Years To Run A Marathon On Mars

The Mars Exploration Rover, better known as Opportunity, has been beaming back images and data from our planetary neighbour since 2004. As as of today, it has travelled 26.219, making it the first little interplanetary explorer to complete a marathon. » 3/25/15 1:00am Wednesday 1:00am

Curiosity Has Found Nitrates Important for Life on Mars

Samples obtained by NASA's Curiosity rover on Mars have been analyzed and shown to contain nitrogen compounds, that are a source of nutrients for living things. » 3/24/15 6:11am 3/24/15 6:11am

This Is What the First Growth Spurt of a Star Looks Like

A team of astronomers has pieced together data from orbiting observatories to create this image of a star undergoing a huge growth spurt during the earliest phase of its development. » 3/24/15 5:20am 3/24/15 5:20am

Hubble Gives Us A Wide-Angle View Of An Entire Galaxy

The Hubble telescope is probably best known for its incredible close-up images of everything from star formation to Jupiter's shrinking spots. But my favorite Hubble pics are always the sweeping, broad views of galaxies — and its latest is a real beauty. » 3/24/15 1:00am 3/24/15 1:00am

Why This Astronaut Thinks NASA Can Save Humanity From Extinction

Astronaut Daniel T. Barry thinks NASA's mission to Mars is humanity's most important endeavor yet, for reasons including the birth of Captain Kirk. We talked to him about what it's like to explore the Final Frontier. » 3/23/15 2:15pm 3/23/15 2:15pm

The Bright Radar Reflections of London

The bright lights of London have always drawn wide-eyed, enthusiastic youngsters seeking fame and fortune. But in this image from the European Space Agency, the city shows up with bright radar reflections instead. » 3/23/15 3:45am 3/23/15 3:45am

After Pluto, Where Will NASA's New Horizons Go?

Scientists are mulling over which of two icy bodies NASA's New Horizons spacecraft should visit following its Pluto encounter this summer — provided the U.S. space agency comes up with funding for an extended mission. » 3/22/15 9:30am 3/22/15 9:30am

Behold, the Stellar Explosion that Could Spawn Up to 7,000 Earths

Exploding stars are always a sight to behold, but not all supernovae are created equal: Some, for instance, may give birth to thousands of Earth-like worlds. » 3/21/15 10:00am 3/21/15 10:00am

Today's Solar Eclipse in 22 Stellar Photos

This morning, a total solar eclipse was visible from the Faroe Islands and Svalbard, Norway, and a partial solar eclipse from many parts of Europe, Northern Africa and Northern Asia. These stellar photos shows the astronomical event that darkened the skies. » 3/20/15 4:00pm 3/20/15 4:00pm