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By Nsikan Akpan
Lawrence Berkeley National Laboratory scientists recently discovered a supernova about 21 million light years away in the Pinwheel Galaxy. Jeffrey Brown and Peter Nugent, who found the brightest and closest supernova in decades, discuss how the dying star could prove…
As new findings are released on the most ancient black holes ever detected, we break down the basics.
Perhaps you learned a mnemonic device such as the one above to help remember the planets -- Mercury, Venus, Earth, etc. -- and their order away from the sun. Turns out, we're going to need a longer mnemonic after the…
A roundup of arts headlines.
The space shuttle Atlantis lifted off Monday on the fifth and final mission to repair and upgrade the Hubble Space Telescope. The crew will add a new camera and make other changes. Spencer Michels reports.
The deaths of some stars are marked by a unique event: the supernova. A NASA telescope captured a massive explosion in January, giving scientists clues into the mechanics of our own world. Robert Kirshner of Harvard University explains the significance…
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