Around 130 million years ago, two neutron stars — those strange, compacted cores of dead stars — collided. Scientists recently detected the signals from that collision, in the form of gravitational waves and electromagnetic signals.
Russia, the European Space Agency, Japan and China are all interested in lunar missions. For the Trump administration, “it could be a very smart international or geopolitical tool if they do it correctly,” says science journalist Loren Grush.
Every week we hear about more solar or wind resources coming online. New research suggests that humanity could accelerate this process and be running the world entirely on renewable energy by the year 2050.