Before the historic "great conjunction" of Jupiter and Saturn on Dec. 21, the planets will have a close encounter with the crescent moon on Wednesday and Thursday (Dec. 16-17).
Skywatchers in southern South America were treated to a total solar eclipse on Monday (Dec. 14), and a weather satellite captured stunning views of the event from space.
The only total solar eclipse of 2020 dazzled spectators in South America, and some lucked out even as overcast skies threatened to put a damper on an incredible celestial event.
In South America, the moon has slipped in front of a sliver of the sun's edge, marking the beginning of what will be the only total solar eclipse of 2020.
This year's only total solar eclipse will cross South America on Monday, and you can watch the spectacle unfold online thanks to a host of webcasts — no special glasses needed.
The Gaia space observatory just released its most detailed map of the universe yet, including the trajectories of hundreds of millions of stars.
The Geminid meteor shower of 2020 peaks overnight tonight on Dec. 13 and 14 and you can watch it live online. Here's how.
The only total solar eclipse of 2020 is coming up this Monday (Dec. 14) and here's how you can follow along with its phases.
On Monday (Dec. 14), a total solar eclipse will sweep across South America's cone, from Chile to Argentina.
It would only seem appropriate that the final eclipse in this eccentric year of 2020 will be visible only from Patagonia — nicknamed "the end of the world."
The Geminid meteor shower, which will likely be the very best meteor display of the year, is just around the corner, predicted to peak late on Sunday night (Dec. 13).
The Geminid meteor shower peaks the night of Dec. 13-14. This guide tells you the best times and places to see these shooting stars (no equipment necessary).
On Dec. 14, a total solar eclipse will be visible from South America. It will be the first and only total solar eclipse of 2020. Here's everything you need to know.
On Monday (Dec. 14) parts of South America will be briefly plunged into darkness by a total solar eclipse.
A photo captured by amateur astronomer Alexander Krivenyshev shows two big sunspots on Earth's star.
Arecibo Observatory's massive radio telescope has collapsed; with it has gone a crucial tool in understanding asteroid risks to Earth — and it would take a serious government initiative to replace.