A Rare Meteor Shower May Grace The Skies Tonight
Some scientists predict the Alpha Monocerotids meteor shower will be visible at 11:50 p.m. ET. However, one NASA expert is skeptical of the forecast.
Astronomy
Chile And Telescopes Are A Match Made In Heaven
The South American country is home to the Andes Mountains and the Atacama Desert, places that have some of the stillest and driest air in the world. That makes them ideal for astronomy.
Nancy Grace Roman, 'Mother Of Hubble' Space Telescope, Has Died, At Age 93
Roman was one of the first female executives at NASA, its first chief of astronomy and she played an instrumental role in making the Hubble Space Telescope a reality. She died on Dec. 25.
Green 'Christmas Comet' Visible In Night Sky
The comet 46P/Wirtanen just made its closest approach to Earth in centuries. No word on the whereabouts of Dasher, Dancer, Prancer, Vixen, Cupid, Donner or Blitzen (and Rudolph).
Perseid Meteor Shower Peaks This Weekend — Just Look Up
The shower will peak late Sunday night and early Monday morning, but you can also catch a good number of meteors in the middle of the night on Saturday. Find a dark spot and let your eyes adjust.
You Are Here: Scientists Unveil Precise Map Of More Than A Billion Stars
The European Space Agency has released a chart of the exact positions of many stars in the Milky Way and neighboring galaxies. But the map only shows a small fraction of what's out there.
Did Dark Matter Make The Early Universe Chill Out?
A new study suggests that the early universe got an unexpectedly cold start, and that dark matter may be to blame.
Astronomers Find Huge Stars More Common Than Previously Thought
A survey of a neighboring galaxy turned up 30 percent more super-heavy stars than expected. The discovery has implications for how stars form.
Dance By The Light Of The 2017 Supermoon: The How And When
The last and only visible such moon of 2017 will appear Dec. 3. The best time to see it is at sunset or the following morning at sunrise, when the moon is near the horizon.
The Largest Digital Camera In The World Takes Shape
A two-story tall, digital camera is taking shape in California. It will ultimately go on a telescope in Chile where it will survey the sky, looking for things that appear suddenly or change over time.