Future sea level rise: When, where, how much?

Scientists have grown more confident about sea level rise projections for the next few decades, but competing factors make it hard to see far into the future.

1st moon-forming disk around an exoplanet

Astronomers have found solid evidence for a moon-forming disk around a distant exoplanet. It provides new clues as to how moons and planets form.

Find Perseid and Delta Aquariid radiant points

Every late July and August, two excellent meteor showers overlap. Here's how to find the Perseid and Delta Aquariid radiant points.

9 weird transients from 1950 still unexplained

Astronomers in Sweden want to solve the mystery of 9 weird transients, glimpsed in a photographic plate acquired at Palomar Observatory in 1950.

Cracked surface of Venus behaves like sea ice

Venus' cracked surface suggests a moveable crust for this nearby world, and suggests the planet might still be geologically active today.

Dinosaurs already in decline before asteroid?

Life was already getting harder for dinosaurs before an asteroid wiped them out.

Full moon, Saturn, Jupiter July 23 to 26

The full moon, Jupiter, Saturn ... what could be better? Watch as they light the night from dusk until dawn on July 23 to 26, 2021.

Wildfire smoke blankets North American skies

Wildfire smoke from Canada and the western United States has blanketed North America this week. See photos and video.

Mares’ tails over the Pacific Northwest

Mares' tails - aka cirrus uncinus clouds - are found high above Earth's surface, where the air is very cold. They might mean rain is on the way.

Jeff Bezos’ Blue Origin flight soars to the edge of space

Private spaceflight company Blue Origin has successfully launched its New Shepard rocket, with the company's founder, Jeff Bezos, aboard.