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.
Posts by
Eddie Irizarry
Earth has a new quasi-satellite
Asteroid 2016 HO3 is Earth's nearby companion in space. It's not a second moon, but it has an orbit so similar to ours that it'll remain nearby for hundreds of years.
June 16, 2016
Comet visible in binoculars, nearly closest
Comet C/2013 X1 (PanSTARRS) isn't visible to the eye, but binoculars can pick it up. Charts and other info that can help you spot the comet in the coming weeks!
June 9, 2016
Closest comet in 246 years via radar
Record-breakingly close flybys of two comets earlier this week. Radar images of one, the closest comet in 246 years. Will the other be visible to the eye?
March 26, 2016
Small asteroid detected 4 days after passing as close as satellites
On March 15, astronomers detected an asteroid that had passed closest to Earth on March 11, sweeping in at about the distance of our geostationary satellites.
March 18, 2016
Asteroid 2013 TX68 passed safely Monday
The asteroid - whose precise trajectory was unknown - passed Earth on March 7 at 13:42 UTC (8:42 ET) at some 10 times the moon's distance.
March 7, 2016
Space rocks from Florida fireball found!
A rare find by meteorite hunters in Florida, from the daylight meteor that streaked across skies in the U.S. southeast in late January.
February 16, 2016
How to see Comet Catalina
Hints on how to perceive the comet's gradual motion across the sky as it sweeps closest - but not too close - around January 17.
January 14, 2016
Seeing black holes in visible light
For the first time, flickering light was seen around a nearby black hole in outburst. It was bright enough to be seen in small telescopes.
January 12, 2016
Curiosity’s 10 best images of Mars in 2015
As of December, 2015, Curiosity has acquired over 292,000 images from Mars' surface. Here are our picks for the top 10 images by the rover in 2015.
December 30, 2015
Latest images of Christmas Eve asteroid
Near-Earth asteroid 2003 SD220 will pass safely, at more than 28 times the moon's distance, on Christmas Eve. Will it cause earthquakes? Of course not.
December 24, 2015
