Is our solar system shaped like a deflated croissant?
An updated model suggests the shape of the sun’s bubble of influence, the heliosphere (seen in yellow), may be a deflated croissant shape, rather than the long-tailed comet shape suggested by other research.
Our solar...
Moon may outshine Perseid meteor shower this month
The 2018 Perseid meteor shower seen over Garmisch-Partenkirchen in the Alps.
Skywatchers beware: the moon will hinder attempts to observe the Perseids, typically one of the best meteor displays of the year.For Northern Hemisphere...
Physicists watch quantum particles tunnel through solid barriers. Here’s what they found.
The quantum world is a pretty wild one, where the seemingly impossible happens all the time: Teensy objects separated by miles are tied to one another, and particles can even be in two places...
Mysterious ‘fast radio burst’ detected closer to Earth than ever before
Artist's impression of a magnetar launching a burst of X-ray and radio waves across the galaxy
Thirty thousand years ago, a dead star on the other side of the Milky Way belched out a powerful...
Trump says ‘NASA was Closed & Dead’ before he took charge. That’s not true.
President Donald Trump speaks inside the Vehicle Assembly Building following the launch of a SpaceX Falcon 9 rocket carrying the company's Crew Dragon spacecraft on NASA’s SpaceX Demo-2 mission with NASA astronauts Robert Behnken...
Thousands of Earthlike ‘blanets’ might circle the Milky Way’s central black hole
A black hole's "blanets" would orbit light years away from the hot center illustrated here.
Supermassive black holes dot our universe, monstrous gravity wells that bind galaxies together and wreath themselves in whirling cocoons of...
