Heard of ChatGPT? Google just unveiled Bard, a rival to the popular AI chatbot

Google’s chatbot is supposed to be able to explain complex subjects such as outer space discoveries in terms simple enough for a child to understand.

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.

Here's when to watch for February's full snow moon

If skies are clear this weekend, the last full moon of meteorological winter will light up the night sky.

Can you smell snow?

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

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.

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.

NASA: Asteroid will miss but come close to Earth

NASA said Wednesday that this newly discovered asteroid will zoom 2,200 miles above the southern tip of South America.

Radio signal 9 billion light-years away: What it means and where it came from

Astronomers said it marked the first time this type of radio signal has been detected at such a large distance. "It’s the equivalent to a look-back in time of 8.8 billion years."

NASA announces plan to test nuclear rocket engine for possible Mars mission

NASA says they are testing the rocket engine with a plan to have an in-space demonstration by 2027. This technology could help astronauts travel to and from planets faster.

Nearly two-thirds of coral reef sharks threatened with extinction from overfishing as main cause, study finds

The study, published in Nature Communications, shows that 59% of the 134 coral-reef associated shark and ray species are being threatened with extinction, making them the most threatened groups found on coral reefs alongside marine mammals.