http://blogs.discovermagazine.com/d-brief/2017/10/19/moon-settlers-cave/#.We2Ob2i0PIU Probably a punctual collapse of a lava tube the famous Rima Hadley is...

Amazing Sun halo display, with a 22° halo, parhelic circle, with sundogs and a tangent arc as well as 44° parhelia (sundogs) and 46° halo, in Vemdalen,...

That has got to be the coolest planet out there. Think of how many women you could get engaged to--with all those diamond rings!

Active galaxies host supermassive black holes in their cores. The intense gravity of the black hole creates a turbulent cauldron of extreme physics. These...

Planetary scientists have successfully used the Hubble Space Telescope to boldly look out to the far frontier of the solar system to find suitable targets for...

It's not often that astronomers stumble across a celestial interloper that they can only describe as "weird and freakish." Hubble researchers say they were...

An international team of astronomers has found the most distant gravitational lens yet a galaxy that, as predicted by Albert Einstein's general theory of...

Astronomers using the Hubble Space Telescope have assembled a comprehensive picture of the evolving universe - among the most colorful deep space images ever...

The vibrant magentas and blues in this Hubble image of the barred spiral galaxy M83 reveal that the galaxy is ablaze with star formation. The galactic panorama...

This huge Hubble Space Telescope mosaic, spanning a width of 600 light-years, shows a star factory of more the 800,000 stars being born. The stars are embedded...

Astronomers using the combined power of NASA's Hubble Space Telescope and the Atacama Large Millimeter/submillimeter Array (ALMA) telescope have discovered a...

Astronomers continue to tally up how many planets are orbiting other stars. But finding out what their atmospheres are made of is another story. Two teams of...

With the help of a natural "zoom lens" in space, Hubble astronomers are looking farther than anyone has before. The ambitious, collaborative, multiyear program...

Three-dimensional printers are transforming the business, medical, and consumer landscape by creating a vast variety of objects, including airplane parts,...

Proxima Centauri lies in the constellation of Centaurus (the Centaur), just over four light-years from Earth. Although it looks bright through the eye of the...

NASA's Great Observatories are teaming up to look deeper into the universe than ever before. With a boost from natural "zoom lenses" found in space, they...

A team of astronomers has discovered a galaxy that sets the current distance record for galaxies whose distance has been definitively measured by spectroscopic...

A new image of the sunward plunging Comet ISON taken by NASA's Hubble Space Telescope on October 9, 2013, suggests that the comet is intact despite some...

According to new Hubble Space Telescope observations of our Milky Way's siblings, which existed long ago, the night sky must have looked much emptier in the...

Weather forecasters on a pair of exoplanets would have an easy job. Today's forecast: cloudy. Tomorrow: overcast. Extended outlook: more clouds. Scientists...