Why the Spokane wildfires became so catastrophic

Spokane wildfires show wildfire risk is growing, but preparedness, resilient communities and smarter land management can reduce future losses.

Mars Curiosity rover’s 7 minutes of terror 14 years ago

To celebrate the 14-year anniversary of Curiosity rover's arrival on Mars, here’s a video on the final 7 minutes of its chilling descent on August 5-6, 2012.

Double star 61 Cygni: Why is it known as the Flying Star?

Compared to other stars, 61 Cygni moves quite rapidly against the background of more distant stars, revealing its proximity to Earth.

Venus rings found high above the planet’s thick clouds

New analysis of images taken in 2010 reveals giant Venus rings high in the planet's atmosphere, hidden from normal view.

9 mind-blowing space facts that will shock you

Read 9 mind-blowing space facts about Earth, the sun, our galaxy and universe that will surprise and delight you. You'll be a hit at your next dinner party!

Is a giant planet orbiting Tabby’s Star? Maybe

Astronomers in the U.K. and France said this month they might have found a giant planet orbiting Tabby's Star. It might explain the star's unusual dimming.

Does asteroid Nysa have 3 lobes and a moon?

The asteroid Nysa might be the first-known 3-lobed body. And the new observations also reveal a tiny moon orbiting the asteroid.

August birthstone: Peridot, spinel, or sardonyx

The August birthstone can be crystalline green peridot, colorful spinel, or banded sardonyx. Take your pick of these colorful gemstones, August babies!

Find the Andromeda Galaxy using Cassiopeia

Leave the city behind this weekend, and go galaxy-hunting! Cassiopeia - one of the easiest constellations to identify - points the way to the Andromeda Galaxy.

Meteor shower guide 2026: Up next … the Draconids

Up next is the Delta Aquariid meteor shower, they'll compete with a waning gibbous moon. Watch for meteors in dark skies before dawn the week before July 30.