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Every point is a galaxy
At first glance, it's just a square filled with tiny grains of static. But incredible as it is to imagine, every single point of light in this image is actually a distant galaxy, as observed by ESA’s Herschel Space Observatory.
July 29, 2018
Most Mars dust comes from one place
“Mars wouldn’t be nearly this dusty if it wasn’t for this one enormous deposit that is gradually eroding over time and polluting the planet, essentially.”
July 27, 2018
Subsurface lake discovered on Mars?
ESA's Mars Express spacecraft has discovered the 1st evidence for a subsurface liquid lake on Mars. If it exists, this lake is likely salty and cold, but possibly habitable for some microorganisms.
July 26, 2018
The case for a habitable moon
Not now, but billions of years ago, microbes might have thrived in water pools on the moon until its surface became dead and dry.
July 25, 2018
Young star caught eating its planet
It had been theorized that some young stars might devour their planets. Now astronomers have the 1st solid evidence - from the Chandra X-ray Observatory - of just such an event caught in the act.
July 24, 2018
The Milky Way’s long-lost sibling
Two billion years ago, the Andromeda galaxy - closest large spiral galaxy to our Milky Way - might have eaten another large galaxy.
July 23, 2018
Wow! New volcano on Jupiter’s moon Io
Io is small, but it's the most volcanically active world in our solar system. It has hundreds of active volcanoes. Now the Juno spacecraft has found one more.
July 23, 2018
These spacecraft are studying Mars dust
Raging, planet-wide dust storms - like the one going on now - happen only every 6 to 8 years on Mars. Here's how NASA spacecraft are studying it, plus a cool before-and-after video!
July 22, 2018
Apollo and the moon-landing hoax
Why do people persist in denying that human beings landed on the moon?
July 20, 2018
Is the moon toxic to humans?
When the Apollo astronauts returned from the moon, the dust that clung to their spacesuits made their throats sore and their eyes water. Lunar dust is made of sharp, abrasive particles, but how toxic is it for humans?
July 20, 2018
