The biggest scientific breakthroughs of the year, now in video form!

Each year, Science’s editors and writers highlight a top research achievement as their Breakthrough of the Year. For 2017, the honor goes to the first full observation of a neutron-star merger, made possible by detecting gravitational waves created by the stars as they spiraled into each other. But there a lot of other advances to talk about, from the oldest ice to the newest ape. Check them all out in this video rundown.