Fun time to see a last quarter moon: just after it rises, shortly after midnight. Then the lighted portion points downward, to the sun below your feet.
The moon was almost exactly at last quarter when Jenney Disimon in Sabah, North Borneo captured this photo on July 27, 2016 (5:30 a.m. local time, or July 26 at 21:30 UTC).
There’s a curious lack of big craters on the dwarf planet Ceres, largest body in the asteroid belt between Mars and Jupiter. Why?
A 1,600-foot (500-meter) dish called FAST – in southwest China – is now the world’s largest radio telescope. It’s expected to be fully operational in September.
Most Unidentified Flying Objects aren’t unidentified at all. Here’s a list of natural and human-made objects in the sky that people frequently mistake for UFOs.
An experimental rocket test over Scandinavia in 2009, which triggered many UFO reports. Read more about this photo.
A new time-lapse video from New Zealand, showing both its dramatic landscape and the sky above. It’s called “The Edge of Perception.”
Outburst – perhaps 200 meteors an hour – predicted for 2016 Perseid meteor shower. Peak night August 11-12, but watch on the nights leading up to the peak, too.
Photo by Jack Fusco
Delta Aquarid shower officially began mid-July. Nominal peak July 28 or 29. The shower is long and rambling. If you watch the Perseids in August, you’ll see Delta Aquarids then, too.
David S. Brown caught this meteor on July 30, 2014, in southwest Wyoming.
Scientists had suspected that mountains on Venus affected weather patterns seen rippling across Venus’ cloudtops. A new study provides evidence of this connection.
Watch a full year of Earth’s sunlit side, seen from a million miles away by the DSCOVR spacecraft.
Image via NASA