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.

1-on-1 with Buttigieg: Transportation secretary talks floods, flights and funding

U.S. Transportation Secretary Pete Buttigieg is back in Washington D.C. after a stop in San Francisco to deliver a federal grant for the Golden Gate Bridge. Buttigieg spoke to KTVU after his department announced $29.4 million in emergency relief funds to help California repair roads, bridges and highways damaged in our deluge of storms.

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.

Kobe Bryant helicopter tragedy: Honoring the 9 victims 3 years later

Three years ago, the world lost baseball coach John Altobelli, his wife Keri, and their daughter Alyssa; NBA legend Kobe Bryant and his daughter Gigi; Payton Chester and her mother, Sarah; educator and basketball coach Christina Mauser, and pilot Ara Zobayan.

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.

Alabama airline worker who was sucked into plane engine remembered as 'loving mother' of 3 children

The Alabama airline worker who died after being sucked into a plane engine at Montgomery Regional Airport on New Year’s Eve is being remembered as a "loving mother" of three children. 

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.

NASA's Virginia rocket launch expected to be visible across DC area; lift off scheduled for Tuesday

UPDATE: NASA has canceled the Electron rocket launch scheduled for Monday, Jan. 23 due to unfavorable weather conditions. The launch has been rescheduled for Tuesday, Jan. 24 between 6 p.m. and 8 p.m.

First Native American woman in space steps out on spacewalk

Nicole Mann, a Marine colonel and test pilot, rocketed into orbit last fall with SpaceX, becoming the first Native American woman in space. She is a member of the Wailacki of the Round Valley Indian Tribes in Northern California.

Air travel across US thrown into chaos after computer outage

Thousands of flights across the U.S. were canceled or delayed Wednesday after a government system that offers safety and other information to pilots broke down, stranding some planes on the ground for hours.

Bright green comet may become visible to naked eye later this month

C/2022 E3 (ZTF) hasn’t come so close to Earth since the last ice age, experts say. Here’s how you may be able to see it later this month.

A look back at 2022’s most pivotal moments of space exploration

This year saw dozens of rocket launches and space science milestones that will help us better understand Earth and our universe.

US Coast Guard ends search for 4 people after helicopter crashes into Gulf of Mexico

A rescue operation is underway off the coast of Louisiana in the Gulf of Mexico for four people who were on board a helicopter that crashed while departing an oil platform on Thursday.

Stranded Southwest passengers exploring alternate travel options

The ripple effect from this week’s slew of canceled Southwest Airlines flights is creating another type of demand – for hotel rooms and rental cars.