SpaceX ignites giant Starship rocket in crucial pad test

SpaceX is a big step closer to sending its giant Starship spacecraft into orbit, completing an engine-firing test at the launch pad on Thursday.

Watch: Magnetic, ‘soft’ robot can go from solid to liquid, escape cage

Video of the robot shows it transform from a solid, robot-looking object in a cage to what appears as a liquid seeping through the cage bars.

Memphis Zoo says giant panda Le Le has died

His cause of death has yet to be determined as a medical investigation is pending, the zoo said.

Watch: Venomous snake pops out of hole, surprising golfers

The venomous red-bellied black snake "stayed and watched a couple of groups come through" before seeing himself out.

Hawaii whale dies with stomach full of fishing nets, plastic bags

Over 35 million tons of plastic pollution is produced on Earth each year, and about a fourth of that ends up in the water, scientists say.

Can you smell snow?

Humidity and air pressure changes may allow you to smell a snowstorm before it begins.

Remembering space shuttle Columbia, 20 years later

On a sleepy winter morning in 2003, most Americans had no idea that seven astronauts were gliding back to Earth after more than two weeks in space. But the whole nation would soon know that space shuttle Columbia was not going to make it home.

Western monarch butterfly population suffers due to atmospheric river storms

After the highest initial count in two decades around Thanksgiving, atmospheric river-fueled storms led to the loss of the iconic western monarch butterflies.

Watch a strange spiral appear in a starry night sky over Hawaii

Video shot by the Subaru-Asahi STAR Camera at the summit of Mauna Kea showed a green-blue sky with speckles of white stars. Then, one of those "stars" transformed into a spiral.

'Bear' on Mars captures internet's imagination

Is it a bear? A "doge"? The internet has mixed opinions about an image from NASA showing an animal's face on Mars.

Green comet sighting: Here's when to see this celestial view unlikely to return for millions of years

This celestial sighting is a bit like space-speed dating. Astronomers only just learned of Comet C/2022 E3's existence, and it will be gone before we know it. Learn how it was discovered and why a naked-eye comet is rare.

SpaceX in final preparation for Starship orbital test flight from Texas

After a series of high-altitude tests and landing attempts with Starship prototypes, Elon Musk's company SpaceX plans to conduct an orbital test flight as soon as February or March.

Moon will eclipse Mars next week; here's how and when to see it

It’s not every day the moon moves in front of a bright planet, but the likely once-in-a-lifetime event for some parts of the U.S. is happening soon.