Hurricane Ida hit the Louisiana coast with 150 mph (240 km/h) winds on August 29, 2021, 16 years to the day after Hurricane Katrina devastated New Orleans on nearly the same path. What does climate change have to do with these powerful storms?

Can you travel to outer space and never stop? Science can tell us a lot. But some things we don’t know yet, like whether space just goes on forever.

Pure hydrogen and helium gas flows into a galaxy. It's used to make new stars. Those stars make new elements, which are later released back to intergalactic space.

Hycean planets are huge, hot worlds covered by oceans, with thick hydrogen atmospheres. They might be key to discovering life beyond Earth.

Can we recreate dinosaurs from their DNA? Maybe we could, if dinosaur DNA still existed. But DNA breaks down after some 7 million years.

NASA’s Near-Earth Asteroid Scout (NEA Scout), a cubesat launching on Artemis 1, will navigate space and visit a near-Earth asteroid by sailing on sunlight.

Astronomers have discovered two asteroids in the asteroid belt between Mars and Jupiter that are much redder than the others. The researchers say they likely migrated inward from the outer reaches of the solar system.

In August 2021, the year's farthest quarter moon occurs as the moon reaches last quarter and closest lunar apogee at nearly the same time.

Planet Nine, according to scientists, has an orbit that lies more than 300 AU from the sun and is tilted about 16 degrees from the ecliptic.

Capture the Atlas announced its 2021 Milky Way Photographer of the Year. This annual edition showcases 25 of the best Milky Way photos from around the world.