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X-flare! Most intense flare of 2014 so far
The sun unleashed the most intense category of solar flare - a X-flare - on February 25 at 0057 UTC.
February 25, 2014
Bright meteor, aka a fireball, over U.S. East on February 24
These bright meteors are natural and frequent, given Earth as a whole. They are space debris that enter Earth's atmosphere and burn up due to friction with the air.
February 25, 2014
The moon is approaching Venus. Closest Wednesday morning
Get ready for the spectacular conjunction of the sky's two brightest nighttime objects - the moon and Venus - on Wednesday morning, February 26.
February 24, 2014
Dual image of this morning’s moon
An experienced astrophotographer offers these two views of the February 24, 2014 moon, with info on settings.
February 24, 2014
Video: Saturn went behind the moon Saturday morning
Early in the morning on February 22, Saturn happened to lie in the moon's path, and so the moon covered up Saturn, for a time.
February 22, 2014
Runaway star creates bow shock as it speeds through galaxy
Kappa Cassiopeiae speeds through the galaxy at 1,100 kilometers per second. It creates this bow shock, which is about 4 light-years ahead of its star.
February 21, 2014
Venus has planet-sized space weather explosions
Scientists like to compare Earth and Venus. What happened differently at Venus to make it so harsh and inhospitable? These space weather explosions may help explain.
February 21, 2014
Did a meteorite smash a roof in Sri Lanka?
Scientists are still investigating the nature of the mysterious rock, which created a hole in the roof - and interior damage - in a house in Sri Lanka.
February 20, 2014
Video: Mars, Spica, moon rising and setting
In case you haven't heard, the planet Mars is back! Getting brighter. Nearly at its best. James McCue includes Mars in this cool video.
February 20, 2014
Clouds circling a supermassive black hole
An international team of astronomers sight huge clouds of gas orbiting supermassive black holes at the centers of galaxies. Watch a video depicting the swirling clouds.
February 19, 2014
