The Swag Hatter

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Galaxies Are Dying. But What's Killing Them?

<i>Our editors delve into Curiosity's top stories every day on a podcast that's shorter than your commute. Click here to listen and learn — in just a</i> …

Possible sign of dark matter shows up again

A strange X-ray signal has popped up again in new measurements, raising hopes that it could be a sign of dark matter.<p>Data from NASA’s Chandra X-ray …

The Curiosity Mars rover could tap into the greatest mystery behind liquid water on Mars, but there's a big problem

These water flows are related to unique features on Mars called recurring slope linae (RSL) — identified in the photo to the right — that pop up in a handful of locations near and along the Martian equator.<p>As it turns out, the Curiosity rover is within driving distance of a mountain called Mount …

Science

NASA spacecraft discovers blue sky, red ice on Pluto

The sky over Pluto may not be sunny, but it's undoubtedly blue.<p>NASA's New Horizons spacecraft discovered Pluto's blue sky during the historic flyby of the icy dwarf planet in July. The images of Pluto's atmospheric haze were beamed down last week and released by NASA on Thursday.<p>The particles in …

Is Stephen Hawking Right About Hostile Aliens?

E.T. was the perfect extraterrestrial: Cute, smart and — best of all — a perfect pacifist.<p>Unfortunately, scientists aren't so sure that an actual …

Chinese navy looms as Russia strikes Syrian rebels

(Wikimedia)<p>TEL AVIV – As Russia’s Caspian Sea fleet launched precision-guided cruise missiles at Syrian rebel positions, a Chinese naval vessel …

New Horizons images show Pluto has blue skies and red water ice

First spacecraft ever sent to the dwarf planet continues to transmit data after sending the first color images of Pluto’s atmospheric hazes last week<p>Pluto has blue skies and exposed, bright red water ice, Nasa announced on Thursday, as the first spacecraft ever sent to the dwarf planet continues to …

Scientists find DNA differences between gay men and their straight twin brothers

For men, new research suggests that clues to sexual orientation may lie not just in the genes, but in the spaces between the DNA, where molecular marks instruct genes when to turn on and off and how strongly to express themselves.<p>On Thursday, UCLA molecular biologist Tuck C. Ngun reported that in …

Everything Is Made Of Waves; Also, Particles

Everything in the universe has both particle and wave nature, at the same time.They’re really just different language describing the same mathematical object.

4% of people hear music in a completely different way — and it tells us something fascinating about the brain

To an estimated 4% of the world, that's what the stuff we call music sounds like.<p>These people are tone-deaf, a disorder known as congenital amusia. People who are really tone-deaf aren't just bad at karaoke: They can't pick out differences in pitch, the quality of music we're referring to when we …

The Brain

Astronomers have a new way to measure planets' potential for life, and Earth isn't at the top of the list

Those worlds both score higher than our own planet on the index: 0.955 for KOI 3456.02 and 0.836 for Kepler-442b, compared with 0.829 for Earth and 0.422 for Mars.<p>The point of the exercise is to help scientists prioritize future targets for close-ups from NASA's yet-to-be-launched James Webb Space …

Astronomy