Elizabeth Howell

The difference between a frog and a toad is mainly skin-deep. Here's how to tell the amphibians apart.

Billions of people saw the sky show Sunday (May 15) to Monday (May 16).

We'll help you get set up outdoors or online, depending on your location or your preference.

You can watch a lunar eclipse turn the Flower Moon red on May 15 or 16, depending on your location, and it's even broadcast online in case you can't see it in person.

The show originates from Halley's Comet and may generate as many as 30 shooting stars an hour.

A thin cloud over the planets created a colorful 'corona' around Venus.

The rare partial solar eclipse stunned skywatchers on Apirl 30. Here's a look at their images.

As much as 64% of the sun will temporarily disappear from view Saturday (April 30), as a rare solar eclipse moves across part of our planet.

A partial solar eclipse is happening on April 30. Find out when, where and how to view the spectacular phenomenon.

The sun is a beehive of flaring activity in a stunning new photo from a NASA spacecraft.

For the second time in days, the sun hurled a large, X-class flare at Earth, causing radio blackouts and the potential for auroras.

The descent looked like a 'flying whirlpool' over Hawaii.

A sunspot that "awoke from the dead" last week triggered stunning aurora above Iceland.

After a dead sunspot hurled a ball of plasma toward Earth earlier this week, medium-sized auroras may stretch even farther south than usual.

You can watch a big asteroid make a safe flyby of Earth today (March 13) from any spot with good internet access.

The resulting debris created several dozen craters, the largest nearly 230 feet across.

The Lunar Reconnaissance Orbiter won't be in view during impact time, but may have a follow-up plan to identify the crater grave on the moon.

Chang'e-5 T1 'completely burned up' in Earth's atmosphere shortly after launch, officials said.

The James Webb Space Telescope will study the weirdly flickering black hole at the heart of our galaxy, the Milky Way.

The James Webb Space Telescope finished the first major stage in its long process of aligning the observatory's 18-segmented primary mirror.

The Sicilian volcano is 'smoking' and 'spitting lava,' one astronaut reports.

New evidence finds substantial water on Mars flowed as recently as 2 billion years ago.

Data from three space telescopes help tell the story of Eta Carinae's explosion.

Here's how to watch the events related to the James Webb Space Telescope's arrival.

You can watch a nearly mile-wide asteroid make its closest Earth approach for the next 200 years today. Here's how.