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NASA's Curiosity rover on Mars monitors space weather and spotted an unusual solar event.
It's a way for humans to practice living on Mars while we're still figuring out how to get there.
Don't cry too much about Cassini. Upcoming missions are going to Mars, Mercury, the Sun, Europa and several asteroids.
To kick off the school year, Vladimir Putin donned his professorial hat and covered quite a few topics in a lecture to Russia's youth.
NASA will send a lander called InSight to Mars next year. Here's what it wants to find out.
Scientists predict that the tiny moon will be destroyed within 30 to 50 million years.
U.S. Representative Dana Rohrabacher questioned space experts about life on the planet.
Scientists say an object about the size of Mars is disrupting the orbits of Kuiper Belt objects.
The pit is large, deep and of unknown origin.
Analysis of rocks from the Gale crater show climate change on the Red Planet over billions of years.
Hidden volcanoes and greenhouse gases mean if you were standing on the Venusian surface it would be like swimming 1,000 metres below sea level—if the ocean was scorching hot.