In the first fractions of a second after the Big Bang, the universe ballooned outward at a speed that still defies explanation, stretching space itself before stars or even atoms had a chance to form.
Two powerful instruments of the NASA/ESA/CSA James Webb Space Telescope joined forces to create this scenic galaxy view. This ...
The 3I/ATLAS comet is only the third object ever identified as entering our solar system from elsewhere in the galaxy. While it poses no threat to Earth and will get no closer than 170 million miles ...