SETI@home has been one of the largest citizen science projects ever, with millions of users around the world.

The observatory will combine tech from NASA’s most powerful space telescopes.

New models suggest that Europa has very little tectonic activity at its seafloor, which is potentially catastrophic news for the hopes of finding alien life within its ocean.
…

The new findings strengthen the “RNA world” hypothesis that describes how the first life on Earth could have used RNA instead of DNA.
…

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to recognize biology may no longer be enough.
…