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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.
Fossil remains of an ancient pregnant whale suggest that the animal gave birth ...
Psychologist Diana Reiss discusses communication and cognition in dolphins.
Biologists are using data tags and a National Geographic Crittercam to study the...
What happens when a dolphin catches a cold? No, it's not a trick question. In th...
Underwater digital tags show humpback whales use bubbles to trap schools of fish...
Humpback whales blow bubbles around schools of fish to concentrate them for easier capture. It's called a bubble net, says David Wiley, research coordinator for Stellwagen Bank National Marine Sanctuary, and it's visible as a ring of bubbles at the surface. Now, with underwater digital tracking tags and custom visualization software, whale researchers can see what the whales are doing underwater when they're bubble-netting.