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Details of the lamassu and palace reliefs of Neo-Assyrian king Ashurnasirpal (883-859 BC) at the Metropolitan Museum of Art

A weird, sometimes bloody ritual kept kings ‘safe’ during ancient eclipses

The Tucson Astronomy Festival has hands'-on activities for kids. Credit: Tuscon Amateur Astronomy Association.

Observing, Upcoming Events

Tucson Amateur Astronomy Association to host a free festival March 30

Person looking up at the night sky and Milky Way

Astronomy for beginners, Science, Uncategorized

How should we classify the cosmos?

An Apollo 11 oblique view of the large crater Theophilus located at the northwest edge of the Sea of Nectar on the lunar nearside. Theophilus is about 60 statute miles in diameter. The smooth area is Mare Nectaris. The smaller crater Madler, about 14 statute miles in diameter, is located to the east of Theophilus. Visible in the background are the large crater Fracastorius and the smaller crater Beaumont. This photo was taken July 16, 1969. Credit: NASA.

The ‘highly speculative’ prospect that life once existed on the Moon

An artist's conception of a centaur, a half-asteroid, half-comet rock.

Exotic Objects, Science

The oddities known as Centaurs may sprout their tails after jumping to new orbits

March 21, 2024, 30 minutes before sunrise, looking east

The Sky This Week from March 15 to 22: A conjunction of Venus and Saturn

A screenshot of NASA's livestream of the eclipse before the eclipse.

2024 Solar Eclipse, Observing, Upcoming Events

How to watch the solar eclipse online

An image from the James Webb Space Telescope showing wispy pink-purple filaments and a scattering of stars.

What are the smallest brown dwarfs? The JWST has a new answer

This spectacular photographic sequence around totality shows some of the features you'll see if your sky is clear and you're in the path of totality April 8, 2024. Credit: Ben Cooper.

2024 Solar Eclipse, Solar System

The slightly weird mathematical coincidence behind an eclipse

The astronauts of Apollo 12 — Alan Bean, Pete Conrad, and Dick Gordon — experienced a solar eclipse while returning home from the Moon. Their spacecraft flew through Earth’s shadow, allowing them to capture this image on their 16mm motion picture camera. Credit: NASA/JSC.

2024 Solar Eclipse, Observing, The Moon, The Sun, Upcoming Events

What would a solar eclipse look like from the Moon?

An artists' conception of a spacewalk by the Polaris Dawn crew.

Human Spaceflight, Robotic Spaceflight, Space Exploration

The upgrades to spacesuits that need to be made sooner rather than later

A clip from NOIRLab's video shows the remnants of a supernova explosion.

Exotic Objects, Science

NOIRLab releases jaw-dropping images, video of remnants from massive star explosion