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Large Hadron Collider discovers new form of matter
Researchers say that exotic hadrons -particles made up of two quarks and two anti-quarks - actually exist.
April 15, 2014
A tetrad of lunar eclipses, next one October 8
Monday's eclipse marks the beginning of a special eclipse series known as a tetrad - four total lunar eclipses in a row, with no partial eclipses in between. The next one is October 8.
April 15, 2014
Is Saturn making a new moon?
A small icy object within the rings of Saturn might be a brand new moon in the process of being born.
April 15, 2014
Beauty from chaos on Mars
Catastrophic flooding is thought to have created the heavily eroded Osuga Valles on Mars ... and the features within it.
April 11, 2014
Astronomers may have spotted the first exomoon!
If it's true this distant planet has a moon, the moon would weigh less than Earth, and the planet would be more massive than Jupiter.
April 10, 2014
Cataclysmic asteroid impact some 3.26 billion years ago
Scientists have reconstructed a collision between the early Earth and an asteroid. It dwarfed the event that caused dinosaurs to go extinct 65 million years ago.
April 9, 2014
Star aligns with planetary nebula to create diamond ring
It looks like the diamond ring effect seen during total solar eclipses. It's really a distant, dying star and its shell of gas, with another star in front of it.
April 9, 2014
Astronomers make most precise measurement yet of expanding universe
A new analysis says that 10.8 billion years ago, the universe was expanding by one percent every 44 million years.
April 7, 2014
New atomic clock won’t gain or lose a second in 300 million years
The NIST has launched a new hyper-accurate atomic clock for the U.S. time standard called NIST-F2. The clock uses a 'fountain' of cesium atoms to determine the exact length of a second.
April 4, 2014
Biggest galaxy cluster bigger than thought
El Gordo - the largest galaxy cluster in the universe - is about 3 million billion times more massive than our sun, roughly 43 percent more massive than earlier estimates.
April 4, 2014
