The last quarter moon you'll see late tonight is aligned with 2018's closest apogee, that is, the closest of the moon's farthest points in its monthly orbit. And that's no surprise ...
There and gone in a cosmological flash. Astronomers report on 72 bright, quick events found in a recent survey. They're like supernovae, but flash into view, then disappear again much faster.
These 3 worlds - the moon, Mars and Saturn - will climb over your horizon very late at night this weekend. You can see all 3 together before dawn Saturday and Sunday.
Artist Mario Irarrázabal created the Hand of the Desert after the city of Antofagasta, Chile, asked him for something notable, to fill the empty space of the Atacama Desert. Astrophotographer Yuri Beletsky captured it at night.
Have you been watching the moon's sweep past Jupiter this week? From the time they rise in mid- to late evening until dawn, they're still the brightest things up there.
Europe's CryoSat satellite was used - over 7 years - to track 10,000 miles (16,000 km) of Antarctic coastline. It can be seen warm ocean water is eating away at Antarctica's floating margins.