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October 20, 2015

Night sky creatures: How to spot the centaur and the wolf

One of the most interesting of the constellations is now dominating the low southern sky at around 9:30 p.m. local daylight time — the mythical half-horse, half-man creature known as the Centaur.

October 20, 2015

Dark matter 'slingshot' could send lethal asteroids crashing into Earth

Dark matter could sling lethal meteors at Earth, potentially causing mass extinctions like the cataclysm that ended the Age of Dinosaurs, Harvard scientists say.

October 20, 2015

Vision risks for astronauts could be a Mars mission 'showstopper,' NASA scientist says

Mars may possess a stark and austere beauty, but a manned Red Planet mission will likely not be easy on the eyes.

October 20, 2015

Saturn may have given birth to a baby moon, astronomers say

NASA’s Saturn-orbiting Cassini spacecraft has imaged something peculiar on the outermost edge of the gas giant’s A-ring. A bright knot, or arc, has been spotted, 20 percent brighter than the surrounding ring material and astronomers are interpreting it as a gravitational disturbance caused by a tiny moon.

October 20, 2015

Fossil galaxy could hold clues to universe’s early life

Astronomers have spotted a tiny galaxy floating on the edge of the Milky Way that could be the first ever formed in the universe.

October 20, 2015

Neutrino telescopes launch new era of astronomy

The recent discovery of neutrino particles bombarding Earth from outer space has ushered in a new era in neutrino astronomy, scientists say.

October 20, 2015

Ask a science teacher: What is a black hole?

A black hole is a place in Washington, DC, where all our tax dollars go. Just kidding! A black hole is perhaps the strangest object in the universe. It is the remains of a massive dead star that has run out of fuel and collapsed.

October 20, 2015

Pluto may have 10 more undiscovered moons, study suggests

A flotilla of 10 or more tiny undiscovered moons might lurk in Pluto's orbit, complicating a spacecraft's planned flyby of the distant dwarf planet in 2015, new simulations suggest.

October 20, 2015

Has dark matter finally been found? Big news coming

Big news in the search for dark matter may be coming in about two weeks, the leader of a space-based particle physics experiment said Sunday. 

October 20, 2015

Intergalactic crash scene among universe's largest things

A glowing cosmic structure millions of light-years long represents the aftermath of the impact of two merging galaxy clusters, researchers say.