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insight power supply

NASA’s InSight Mars lander dumped dirt on itself on purpose

June 4th, 2021

On May 22nd, a stationary robot on Mars used its arm to scoop up some Martian sand. It then slowly dumped it onto itself, with the brisk Mars wind snatching the tiny grains and whipping them against the machine’s solar panels. The robot was NASA’s InSight Mars lander, and the sand dump wasn’t a mistake. …

gamma-ray burst

A collapsing star sent a massive burst of energy into space

June 4th, 2021

Stars are great. Our own star, the Sun, is one of the big reasons why we’re all here today. Without it, we’d be goners, but while stars can be life-giving, they can also be incredibly destructive forces of nature. As recent observations by NASA and astronomers around the world have shown, the death of a …