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Albireo (Beta [β] Cygni) is a classic example of a double star with contrasting colors.

Observing, Stars

What gives stars their colors?

Artist's illustration of giant black hole jets in the early universe

Cosmology, Exotic Objects

Black hole caught blasting jets out into the cosmic void

’Starry Night’ captures the turbulent physics of why stars twinkle

Alien Life, Exotic Objects

The “Wow! Signal,” not surprisingly, was a dud

Partial lunar eclipse

The Moon, Upcoming Events

How to watch a partial lunar eclipse during Tuesday’s Super Moon

The five members of the animal kingdom we observed during the April 2024 solar eclipse from Bee Cave, Texas, are shown clockwise from top left: northern cardinal, American robin, mosquito, cloudless sulphur butterfly, and a Mexican free-tailed bat. Images showing totality and the mosquito were taken on eclipse day.

2024 Solar Eclipse

Studying nature’s eclipse reactions

Robotic Spaceflight, Solar System

Could we experience the first-ever human-made meteor shower?

Human Spaceflight

SpaceX Polaris Dawn crew completes historic private spacewalk

Expedition 72 launch

Human Spaceflight

Don Pettit, NASA’s oldest active astronaut, begins mission aboard ISS

Astrophotography

Annular eclipse shot wins astronomy image of the year

ALMA images of R Doradus

ALMA reveals a star’s surface in unprecedented detail

Boeing Starliner

Human Spaceflight, Space Exploration

Opinion: A former astronaut details what Starliner’s uncrewed return means for NASA, Boeing, and the astronauts still up in space