In 1572, Danish astronomer Tycho Brahe was among those who noticed a new bright object in the constellation Cassiopeia. Now, NASA’s Chandra X-ray Observatory reveals
Amateur Astronomer in Argentina captured for the first time the initial burst of light from the explosion of a massive star.
No one is completely sure where did the gold originate. The relative average abundance in our Solar System appears higher than can be made in
Novae is a movie about an astronomical event that occurs during the last evolutionary stages of a massive star’s life. Watch the amazing stages of
The brilliant flash of an exploding star’s shockwave, is illustrated in this cartoon animation, created by NASA’s Ames Research Center…
As you can see at this periodic table, hydrogen in your body, present in every molecule of water, came from the Big Bang.
The weird cosmic close-up of the eastern Veil Nebula, a mark of the Halloween season.
A supernova bright enough for even small telescope observers to see, in a bright galaxy in Ursa Major well placed for viewing in the northern
This artist’s illustration of Supernova 1987A is based on real data and reveals the cold, inner regions of the exploded star’s remnants (in red) where
A star’s spectacular death in the constellation Taurus by Spitzer Space Telescope, was observed on Earth as the supernova of 1054 A.D. Now, almost a