Astronomers mapped 12 stellar streams, which could lead to the Milky Way's missing dark matter.
Here are 9 teeth facts you probably didn't know, verified by dentists and compiled by Live Science.
Scientists onboard an icebreaker in Antarctica were blown away when they spied a trove of 60 million icefish nests dotting the floor of the Weddell Sea.
A telescope in Arizona modified to measure the true distance of galaxies has produced the largest three-dimensional map of the universe ever.