String of lights over Bay Area prompts questions

A string of lights spotted moving across the evening sky over parts of the Bay Area on Monday evening prompted questions from viewers: What were they? 

Delivery of world's first flying car approaching, with production underway in Bay Area, Alef says

Aeronautical and automotive history is being made in the Bay Area, with production officially beginning on the world’s first flying car. "We are happy to report that production of the first flying car has started on schedule," Alef's CEO announced.

3I/Atlas making closest approach to Earth this week

The interstellar comet known as 3I/Atlas will pass within 167 million miles of our planet Friday – the closest it gets on its grand tour of the solar system. Here's what to know.

Look up tonight: Supermoon to soar into the sky

Look up tonight as a Supermoon will rise into the sky.  Nicknamed the Cold Moon as winter weather brings colder temperatures, the moon will only be 221,813 miles away from Earth.

TSA sets all time record for daily screenings

The Thanksgiving holiday saw millions of people traveling by air, and on Sunday the Transportation Security Administration (TSA) says it set a new daily screening record with over 3 million travelers screened at airports across the country.

Lightning on Mars: Scientists capture crackling sounds

The researchers examined 28 hours of audio recordings, documenting 55 episodes of what they consider to be “mini lightning” over two Martian years.

NASA 3I/ATLAS comet update: ‘It’s a window into another solar system’

NASA is providing more images and information about the interstellar object that's passing through our solar system right now, known as 3I/ATLAS.

Look up tonight—the Leonid meteor shower will peak again under clear skies

The Leonid meteor shower will peak again tonight and stargazers will have a great opportunity to see the celestial show thanks to clearer skies.

FAA ends shutdown-era flight limits as air traffic staffing rebounds

The Federal Aviation Administration announced Sunday that it will lift all restrictions on commercial flights at 40 major airports that were imposed during the nation’s record 43-day government shutdown.

Mysterious interstellar comet 3I/ATLAS has no tail: What 2 experts say

3I/ATLAS recently passed its closest point to the sun. Because of its unusual behavior, some scientists are wondering if it's not a natural object -- in which case, one says, "we are screwed."

Chinese astronauts stranded in space after debris strikes return capsule during mission

A Chinese space crew is stranded at the country’s Tiangong space station after tiny pieces of space debris were believed to have struck their return capsule, China’s spaceflight agency said Wednesday.