Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Comet ISON has an outburst!
"We have no idea ... what ISON will do in the next couple of weeks! We simply urge everyone who can to get out and observe it while they can."
November 14, 2013
Zoom in on star cluster NGC 3572
Most stars don't form alone, but are created with many others at about the same time from a single cloud of gas and dust. NGC 3572 is one of these clusters. Here's a look a it.
November 14, 2013
Heavy atoms help give black hole jets their power
Jets of a black hole known as 4U1630-47 contains heavy particles, such as iron and nickel. It helps explain why black hole jets pack such a wallop.
November 13, 2013
NASA Cassini spacecraft provides new view of Saturn and Earth
The image sweeps 404,880 miles (651,591 km) across Saturn and its inner ring system. Plus you can see Venus, Mars and Earth.
November 12, 2013
Another view of the jet in Saturn’s F ring
The jets in Saturn's F ring are thought by scientists to be caused by the ring's particles interacting with small moons orbiting nearby.
November 12, 2013
Sun’s magnetic field about to flip
This reversal happens every 11 years and is tied to the sun's cycle of activity, now near its peak. The effects of the reversal will ripple throughout the solar system.
November 11, 2013
View from space: The sun flares up
The sun emitted a significant solar flare that peaked at 1:14 a.m. EST on Nov. 10, 2013.
November 11, 2013
NASA’s Hubble sees asteroid spout six comet-like tails
Comets are icy and sometimes have tails. Asteroids are rocky or metallic and typically don't have tails. But this asteroid has six tails and rotates like a lawn sprinkler.
November 10, 2013
Best photos of Comet Lovejoy near Beehive star cluster
Comet Lovejoy has been visible with binoculars in the predawn sky, near the famous Beehive star cluster. How to spot it, plus best photos, here.
November 7, 2013
Telescope finds new hunting ground for black holes
When a team of astronomers discovered two black holes in a collection of stars known as a globular cluster, they weren't sure if the black holes’ presence was a common occurrence or a unique stroke of luck.
November 7, 2013
