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Smallest known black hole revealed by its heartbeat
An X-ray pattern - nicknamed a "heartbeat" because of its resemblance to an electrocardiogram - has revealed the smallest known black hole.
December 15, 2011
New Hubble image of stars’ birth throes
The Hubble Space Telescope has captured a dramatic image of the violence of a star's birth. See this spectacular image here.
December 15, 2011
Mars rover now 31.9 million miles from Earth, begins research
The Curiosity Mars rover has traveled 1.8 million miles (about 3 million km) per day. It's measuring space radiation possibly harmful to Mars-bound astronauts.
December 14, 2011
Leon Lederman on the mystery and beauty of the Higgs boson
Leon Lederman - Nobel laureate in physics - describes a hypothetical particle, the Higgs boson, that might one day help explain the structure of the universe.
December 14, 2011
SETI telescopes resume search for signs of alien life, targeting new planets
SETI telescopes are once again searching planetary systems for signals that would be evidence of extraterrestrial intelligence.
December 8, 2011
View lunar eclipse of December 10, 2011 by webcam
Many of you have been asking if we know of a live webcam of the December 10, 2011 total lunar eclipse event. And we do!
December 7, 2011
Earth-like planet 600 light-years away with spring day-like surface temps
The newly-discovered Kepler 22b, 600 light-years away, could be a large, rocky planet with a surface temperature of about 72 degrees Fahrenheit.
December 7, 2011
One year of the moon in 2.5 minutes
The moon appears to wobble as we watch a visualization of a whole year of orbits compressed into 2 1/2 minutes. View 12 lunar months here.
December 6, 2011
Voyager 1 enters region between solar system edge and interstellar space
"We shouldn't have long to wait to find out what the space between stars is really like," said Voyager project scientist Ed Stone.
December 6, 2011
Two record-breaking black holes found nearby
Astronomers say in a crucial discovery they've found the largest black holes ever measured in our nearby cosmological neighborhood.
December 6, 2011
