esa
Mars Express Saw the Same Methane Spike that Curiosity Detected from the Surface of Mars
If you're not a chemist, an astrobiologist, or a scientist of any sort, and that includes most of us, then…
Progress for the Skylon. Europe agrees to continue working on the air-breathing SABRE engine
The ESA and Reaction Engines recently took another step towards the realization of the hypersonic SABRE engine.
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…
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…
Remember the Discovery of Methane in the Martian Atmosphere? Now Scientists Can’t Find any Evidence of it, at all
According to recently-reported results from the ESA's Trace Gas Orbiter, it appears that there may not be any methane in…
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…