esa
Signs that Ancient Rivers Flowed Across the Surface of Mars, Billions of Years Ago
Billions of years ago, Mars was likely a much warmer and wetter place than the cold, dry, barren world we…
Did You Know the Earth’s Atmosphere Extends Beyond the Orbit of the Moon?
Strictly speaking, there aren't strict boundaries between Earth and space. Our atmosphere doesn't just end at a certain altitude; it…
Here’s a Clever idea. Build Moon Bases in Craters and then Fill them in with Lunar Regolith
A student team associated with the ESA recently developed a concept for a Moon base that would rely on lunar…
ESA is Planning a Mission to the Smallest Spacerock Ever Visited: the Moon of an Asteroid
For some small minority of humans, Death By Asteroid is a desirable fate. The idea probably satisfies their wonky Doomsday…
In the far Future our Sun will Turn Into a Solid Crystalline White Dwarf. Here’s How it’ll Happen
New research using some of the latest Gaia mission data has revealed what happens to stars like our Sun once…
This Crater on Mars Traps the Cold, and Remains Filled With Ice, All Year Round
Just in time for the holidays, the ESO's Mars Express mission revealed a breathtaking image of a Martian crater that…
Rosetta Flew Through the Bow Shock of Comet 67P Several Times During its Mission
According to a new analysis of Rosetta data, the orbiter passed through the bow shock of Comet 67/P several times…
Every Few Hours There’s a Flash of Light Coming From the Moon. Another Impact.
The ESA's NELIOTA project is busy monitoring the dark side of the Moon for impact flashes, which could tell us…
Mercury-Bound BepiColombo is About to Start Using the Most Powerful Ion Engines Ever Sent to Space
A handful of spacecraft have used ion engines to reach their destinations, but none have been as powerful as the…
Ice loss in Greenland is Accelerating
The rate at which Greenland is losing its ice is accelerating. This unsurprising conclusion comes from a new study based…