A new star map includes the most comprehensive images anyone has ever seen of the Milky Way’s cold interstellar gas clouds where new stars are...
Consumers Win in a Competitive Space Race
Several companies are working to launch massive satellite constellations into space to provide super-fast Internet virtually anywhere on Earth. Two of the leading firms advancing... Read more
This Is How NASA Photoshops Stunning Pictures of Faraway Galaxies
For decades, the public has consumed sublime photos of distant stars and galaxies produced by NASA, with a few, like the Pillars of Creation, having reached... Read more
NASA: Streaks of Salt on Mars Mean Flowing Water, and Raise New Hopes of Finding Life
Salty streaks have been discovered on Mars, which could be a sign that salt water seeps to the surface in the summers. Scientists have previously... Read more
There Is Water on Mars, but What Does This Mean for Life?
We’ve known for a long time that there’s water on Mars. Now we know – thanks to NASA’s latest announcement – that some of it... Read more
The Real Martian: What Needs to Be Done Before Humanity Can Take a Step on the Red Planet
Andy Weir, the author of the 2011 novel on which the new film “The Martian” is based, strove for realism in his fictional world; everything... Read more
NASA: Liquid Water Flows on Mars (Video)
NASA has confirmed that liquid water flows on the present day surface of Mars. It’s been known already there’s water in the form of ice... Read more
Amateur Astronomers Philosophize About Life and Death Amid Red Lunar Eclipse
NEW YORK—Throughout last week, as people fretted over the yuan devaluation and pope traffic, Joe Delfausse worried about the clouds. It was imperative that there... Read more
Rosetta Comet Likely Formed From 2 Separate Objects
BERLIN — When the Rosetta space probe sent back its first close-up pictures of a comet last year, scientists got a bit of a surprise:... Read more
Rosetta Scientists Unveil the Source of Ice and Dust Jets on Comet 67P
After a decade-long journey through space, the Rosetta spacecraft has spent the past year less than 100km (about 62 miles) from the nucleus of comet... Read more
NASA Expected to Confirm Discovery of Water on Mars
NASA said in a post this week that it would unveil “a major science finding” in a briefing on Monday about the solving of a... Read more
Supermoon Plus Eclipse Equals Rare Sky Show Sunday Night
CAPE CANAVERAL, Fla.—Get ready for a rare double feature, starring our very own moon. A total lunar eclipse will share the stage with a so-called... Read more
Where Are the Missing Gravitational Waves?
Neutron stars – the dead stellar remnants of old, burned-out stars – are some of the most extreme objects in the universe. They weigh as... Read more
‘The Martian’ Author Andy Weir Separates Fact From Fiction in Reddit AMA
“The Martian,” both the book and the film, has always been generously praised for its realism. The Wall Street Journal noted that the novel “read... Read more
The Real Martian: Can We Afford a Trip to the Red Planet?
The date of the events in “The Martian,” the fall blockbuster starring Matt Damon as an astronaut stranded on Mars, isn’t explicitly revealed in the... Read more
Scientists at Work: Space Balloons and Charged Particles Above the Arctic Circle
I research space weather. That’s how physicists describe how storms on the sun end up affecting us here on Earth. Most days I sit at... Read more
Stunning, Crystal-Clear Images of Pluto – but What Do They Mean?
The more we find out about Pluto, the more perplexing it seems. For several weeks after its July 14 fly-by, NASA’s probe New Horizons was... Read more