Learning to live on the moon … underwater

Astronaut teams practice living and working on the moon in the pool at at NASA’s Neutral Buoyancy Lab.

We stand corrected

Safety guidelines for taking photos of the sun.

Sub-auroral arc over Peyto Lake, Alberta

STEVE, and the northern lights. Does it get any better than this?

Yesterday evening’s Venus-Mercury conjunction

The close conjunction of Mercury with Venus in last night's evening sky was near the sun and exceedingly tough to spot, even with optical aid. Still, EarthSky friend Helio Vital managed to capture it!

Latest Saturn portrait, from Hubble

The solar system’s most photogenic planet, captured by most earthlings' favorite space telescope.

Venus returns to evening sky

If you're looking for Venus now - the brightest planet - you won't find it with the eye alone. But it's possible to catch the planet in September 2019, near the sunset, with a telescope.

Hurricane Dorian viewed from space

NASA astronaut Christian Koch snapped this image of Hurricane Dorian from the International Space Station on Monday, September 2, 2019. The station orbits more than 200 miles (300 km) above Earth.

Webb telescope now assembled for 1st time

On August 28, 2019, NASA announced that the 2 halves of the James Webb Space Telescope have now been successfully connected. The telescope is being assembled at Northrop Grumman’s facilities in Redondo Beach, California.

A dynamic dying star, caught by Hubble

This image taken with the Hubble Space Telescope shows star death. It's a planetary nebula in the direction of the constellation Gemini the Twins.

Amazon fires viewed from ISS

Amazon rainforest fires ... the view from space.