Dream Chaser spaceplane 1st launch delayed until 2025

The 1st cargo delivery mission to the International Space Station by Dream Chaser Tenacity, an uncrewed spaceplane from Sierra Space, is delayed until 2025.

Did a comet burst crash Earth’s climate 12,800 years ago?

Evidence suggests a celestial body exploded in Earth's atmosphere 12,800 years ago. The comet burst may have cooled the climate for around 1,200 years.

Deep-sky photos for June 2024: Editor’s picks

Enjoy this gallery of deep-sky photos for June 2024 from our EarthSky community. And if you have a great photo to share, send it in. We love to see them!

Why did woolly mammoths go extinct?

It was long thought that the last woolly mammoths on Wrangel Island died out 4,000 years ago due to inbreeding. New DNA analysis refutes this assumption.

Artificial star to help probe a range of cosmic mysteries

The Landolt Space Mission will orbit an artificial star to aid with telescope calibration. Better data will lead to new insights on a range of cosmic mysteries.

See NASA images of the 2 large asteroids that passed Earth

When 2 large asteroids passed our planet in late June, NASA captured images of these near-Earth space rocks. And 1 was hiding a tiny moon.

Perseverance rover explores Bright Angel in ancient riverbed

NASA's Mars Perseverance rover has reached an area of flat light-toned rocky outcrops called Bright Angel. The intriguing rocks are in an ancient river channel.

To find water on Mars, listen to marsquakes

Is there still any liquid water on Mars? A new study suggests scientists could find aquifers deep below the surface by listening to marsquakes.

Hydrothermal vents on ocean moons could support life

A new study shows ocean moons in our solar system could have long-lasting geothermal activity on their oceans floors and may even be able to support life.

Atmosphere over Jupiter’s Great Red Spot surprisingly active

The Webb space telescope observed Jupiter's Great Red Spot and found the atmosphere above the spot is much more active and dynamic than astronomers expected.