Ophiuchus is part of the zodiac, too

Poor Ophiuchus. Nobody ever claims him as a "birth sign," although the sun moves in front of his stars from about November 30 to December 18. Keep the big guy company. Find Ophiuchus in your sky tonight!

Quarter moon or a half moon?

Half the moon always faces us. And half the moon is always lit by the sun. But, in the language of astronomers, there are no 'half moons.'

Magnetic rivers feed star birth

Astronomers have learned that the pull of gravity can sometimes overcome the strong magnetic fields found in great star-forming clouds in space. The resulting weakly magnetized gas flow can feed the growth of new stars.

Looking edgewise into the Milky Way

These stunning photos - taken by the talented photographers in our own EarthSky community - are from earlier this month, when the moon was less bright in the evening sky. See the Milky Way - the edgewise view into our own galaxy - plus Jupiter, Saturn and meteors here!

NASA’s guide to near light speed space travel

Take a couple of minutes and have a little fun with this new video from NASA

95 new cool brown dwarfs in the sun’s neighborhood

A group of citizen scientists working with a NASA citizen science project called Backyard Worlds: Planet 9 has discovered 95 new brown dwarfs in the sun's nearby neighborhood.

Wildfire sunsets and sunrises

The western half of North America is getting some spectacular sunrises and sunsets now, as wildfires rage. Photos here from the EarthSky Community.

Pesticides and industrial pollutants found in snow atop Arctic glaciers

The long journey of these compounds - likely originating in the U.S. and Eurasia - shows the far-reaching impacts of industrial pollution.

Hayabusa2 re-entry capsule approved to land in Australia

The Japan Aerospace Exploration Agency said this week that it has now been officially informed that its Hayabusa2 space capsule - carrying precious dust captured from the surface of near-Earth asteroid Ryugu - is approved for landing in Australia.

Old moon and young moon

This is quite a feat! The old moon one morning, and the young moon the following evening, centered on the August 2020 new moon.