Venus likely started off with the same amount of water as Earth, but today the hellish world has 100,000 times less water than its sister planet. Reading time 3 minutes Around 4.5 billion years ago, ...

After investigating the upper atmosphere of the Red Planet for a full Martian year, NASA’s MAVEN mission has determined that the escaping water does not always go gently into space. Sophisticated ...

Mars has lost most of its once plentiful water, with small amounts remaining in the planet’s atmosphere. ESA’s Mars Express now reveals more about where this water has gone, showing that its escape to ...