New analysis of seismic waves recorded around the time the 2014 interstellar meteor hit Earth shows it was not an interstellar signal but a nearby truck.
NASA released images of the message to Europa that will be on the Europa Clipper. It contains a microchip with over 2.6 million names submitted by the public.
It was long thought supervolcanoes could cause eruptions that could blot out sunlight and result in major cooling on Earth. A new study says not so fast.
During an expedition into mountains in Africa, researchers rediscovered a 'lost bird' - a yellow-crested helmetshrike - that had not been seen in decades.
Members of the EarthSky community - including scientists, as well as science and nature writers from across the globe - weigh in on what's important to them.