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Astronomers have discovered a clump of 73 quasars spanning four billion light years at its widest point -- that's like 40,000 Milky Way galaxies lined end-to-end.
Reporter Ron Cowen discusses his top picks from a meeting of the American Astronomical Society.
Will Congress cut funding for Hubble’s successor?
From the Gulf oil spill to the creation of synthetic life, a look at the science that made headlines in 2010.
We'll take you inside the American Astronomical Society's Planetary Sciences meeting, going on this week.
Although it's been years since the first publications of signs of water on Mars, support for the idea of lots of liquid water in the planet's past keeps coming in.
From changing ideas of how black holes operate to a solar system that's decidedly off-kilter, we'll get highlights from a meeting of astronomers.
This year marks the 20th anniversary of the launch of the Hubble Space Telescope, and we're having a celebration.
We'll get the latest from researchers at this week's meeting of the American Astronomical Society.
A look at the science of sunscreen: how it intercepts the sun's rays, whether it...
Think caffeine dehydrates you? Or that you can't get too much water on a hot day...
Mayo myth-busters, a ketchup jar that never jams, and a salute to the pickle.
Plan a scientific summer getaway around Grand Canyon geology, tidepools or volca...
Thousands of lightning strikes occur each minute on Earth. We'll talk about the ...
Photographer Alan Friedman documents the sun’s many faces using telescopes, filters, cameras, and computer software.