An exploding star (supernova) about 65 light-years away may have caused mass extinction on Earth, 359 million years ago.
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Astronomers just detect the most powerful supernova – star explosion, ever observed.
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
Scientists concluded that Supernovae could have resulted mass extinctions on Earth.
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
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
NASA’s Hubble Telescope captured an image of Eta Carinae about 7,500 to 8,000 light-years from the Sun. This image consists of ultraviolet and visible light
In 2004, an international team of astronomers had, for the first time, observed a stellar “survivor” emerge from a double star system involving an exploded
The Pinwheel Galaxy (M 101) is pictured as supernova PTF11kly heads towards peak brightness. Astronomers have discovered the closest supernova of its kind in 25