The sun has gone quiet. Almost too quiet. A few weeks ago it was teeming with sunspots, as you would expect since we are supposed to be in the middle of solar maximum-the time in the sun's 11-year cycle when it is the most ...
On December 26, 2015 at 03:38:53 UTC, scientists observed gravitational waves—ripples in the fabric of spacetime—for the second time.
A distant planet known as Kepler-62f could be habitable, a team of astronomers reports.
Unique structures spotted around nearby star: Mysterious ripples found racing through planet-forming disc
Using images from the NASA/ESA Hubble Space Telescope and ESO's Very Large Telescope, astronomers have discovered never-before-seen structures within a dusty disc surrounding a nearby star. The fast-moving wave-like features ...
Everyone knows that "the moon on the breast of new-fallen snow gives the luster of mid-day to objects below." That is, except during a lunar eclipse.
SpaceX launched an Asian communications satellite into a distant orbit Friday and for the fourth time managed to recover the rocket that did the work.