ScienceDiscovery of square hole in sun baffles NASA [VIDEO] A coronal hole in the sun is large, square and the star of its own film, thanks to NASA. A square hole in the sun is causing astronomers to question what caused the unusual formation.by James Maynard
ScienceNASA telescopes record intense X-class solar flare: Best-observed flare of all time [VIDEO]by James Maynard
ScienceChandra Observatory zooms into star clusters. What it finds out challenges conventional belief.by Alexander Saltarin
ScienceNASA calls for Asteroid Grand Challenge grows louder as bus-sized asteroid 2014 HL129 nearly kisses Earthby Jim Algar
ScienceNASA may send greenhouse, plants to Mars by 2021. Organic tomatoes out, galactic tomatoes in.by Cez Verzosa
ScienceBoeing shares ambitious dream of new commercial spacecraft (and it looks uber cool)by James Maynard