In this deep-space photo, the bright-green Comet 21P/Giacobini-Zinner blazes across a sparkling star field, passing by the open star cluster M37 as it makes its way through the Auriga constellation.
Long before weather forecasts were made using modern computer technology, ancient man looked to the sky to try and determine impending weather changes.
SpaceX's historic first Crew Dragon test flight returns to Earth early Friday (March 8), and lucky U.S. East Coasters may be able to see it in action.
French astronomer Charles Messier's list of the best and brightest showpieces in the night sky is popular with skywatchers of all experience levels.
A colorful panorama that looks like the view from inside an astronaut's helmet shows the breadth of the Milky Way galaxy as it stretches across the night sky from one horizon to the other.
This weekend, a brilliant display of planetary objects will dazzle you — if you can wake up before the sun rises.
The Red Planet makes a close approach to the blood-red moon in this photo taken during the longest total lunar eclipse of the century, on July 27, 2018.
Jupiter, the biggest planet of the solar system, will get close to the moon in the dawn sky on Wednesday (Feb. 27). Saturn and Venus will be visible as well, so here's how to take a look at them.
The Soviet Union launched the Cosmos 482 Venus probe on March 31, 1972. But the failed Venus craft is crashing back to Earth soon.
A gargantuan green dragon hisses in the sky over Iceland this month and its appearance has scientists stumped.
The second installment of this winter's trio of supermoons, sometimes nicknamed the Super Snow Moon, will peak tomorrow morning, so don't forget to step outside and look up tonight.
The world is still celebrating the historic landing on China's Chang'e-4 on the far side of the moon on January 3.
On Tuesday, Feb. 19, you'll no doubt hear the mainstream media proclaiming that on that night Earthlings will witness a "supermoon."
A colorful high-resolution mosaic of the full moon reveals slight differences in the chemical constitution of the lunar surface.
Meteors, star clusters and a naked-eye comet light up the sky over Portugal in this full-dome fisheye photo captured during the Geminid meteor shower of 2018.
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