A Spacecraft Could Catch Up With Interstellar Object ’Oumuamua in 26 Years – If Launched by 2028

NASA “Oceans Melting Greenland” Mission Complete – Six Years of Mapping Unknown Terrain

Scientists Spent 4 Years Identifying a New Wasp That Only Leaves Its Home For 2 Days

4.5 billion years ago, our sun was 30 percent dimmer. Earth should have frozen solid, but somehow it didn't, allowing water and life to thrive. Researchers think they finally understand why.