'Severe' geomagnetic storm could blow power grid with satellite, radio blackouts possible during Milton
A severe geomagnetic storm is forecast at the same time Hurricane Milton is forecast to strike Florida.
A severe geomagnetic storm is forecast at the same time Hurricane Milton is forecast to strike Florida.
Northern lights alert: Will the Bay Area be treated to a celestial show?
Strong geomagnetic storms are forecasted in the coming days, and that could bring spectacular northern lights displays to parts of the U.S.
Strong geomagnetic storms are forecasted in the coming days, and that could bring spectacular northern lights displays to parts of the U.S.
Strongest solar flare in 7 years could lead to communication blackouts on Earth
The X9.0 flare takes the crown from the previous strongest flare of Solar Cycle 25, which was an X8.7 flare on May 14.
The X9.0 flare takes the crown from the previous strongest flare of Solar Cycle 25, which was an X8.7 flare on May 14.
Watch: 'Comet of a century' puts on beautiful show while zooming by Earth
Astronomers said Comet Tsuchinshan-ATLAS reached perihelion, its closest point to the Sun, on Sept. 27 and will spin back around for another visit to Earth's neighborhood. On or before Oct. 12 will be the next chance to see the celestial show.
Astronomers said Comet Tsuchinshan-ATLAS reached perihelion, its closest point to the Sun, on Sept. 27 and will spin back around for another visit to Earth's neighborhood. On or before Oct. 12 will be the next chance to see the celestial show.
NASA: Black hole’s Death Star-like beam appears to make stars explode
The beam of light is 3,000 light years long and is traveling through space at almost the speed of light.
The beam of light is 3,000 light years long and is traveling through space at almost the speed of light.
Rare 'ring of fire' eclipse to dazzle Easter Island, parts of South America
An annular solar eclipse, known as the "ring of fire," will be visible on Wednesday, primarily over the Pacific, with Easter Island, parts of Argentina, and Chile in its path.
An annular solar eclipse, known as the "ring of fire," will be visible on Wednesday, primarily over the Pacific, with Easter Island, parts of Argentina, and Chile in its path.
Comet Tsuchinshan-ATLAS puts on show in space before possible big show on Earth
Comet Tsuchinshan-ATLAS has been tantalizing astronomers on Earth for several months since its discovery last year.
Comet Tsuchinshan-ATLAS has been tantalizing astronomers on Earth for several months since its discovery last year.
Earth is getting a temporary second moon this fall
Earth will soon have a visitor — and not of the extraterrestrial kind. Astronomers found a small asteroid that will orbit our planet this fall, becoming a "mini-moon" temporarily.
Earth will soon have a visitor — and not of the extraterrestrial kind. Astronomers found a small asteroid that will orbit our planet this fall, becoming a "mini-moon" temporarily.
Super harvest moon eclipse to dazzle skies tonight
Tuesday's full moon is going to be extra special this year, and stargazers will be in for a treat.
Tuesday's full moon is going to be extra special this year, and stargazers will be in for a treat.
Mid-air collision leaves one dead near Minden-Tahoe airport
One person died after two planes collided mid-air at an airport in Tahoe on Monday morning, the Douglas County Sheriff's Office confirmed to KTVU.
One person died after two planes collided mid-air at an airport in Tahoe on Monday morning, the Douglas County Sheriff's Office confirmed to KTVU.
Partial lunar eclipse and supermoon combo coming: When to see it
Stargazers are in for a treat as a partial lunar eclipse and a supermoon will occur simultaneously.
Stargazers are in for a treat as a partial lunar eclipse and a supermoon will occur simultaneously.
Stranded astronauts to vote in 2024 election from space while awaiting ride home
Since 1997, NASA astronauts have voted from space as the ISS orbits 250 miles above Earth’s surface.
Since 1997, NASA astronauts have voted from space as the ISS orbits 250 miles above Earth’s surface.
WATCH: SpaceX's Polaris Dawn crew completes first private spacewalk
Jared Isaacman, CEO of Shift4 integrated payment processing solutions, participated in the first ever private spacewalk by a group of astronauts who left a SpaceX capsule after a delay of a few hours, testing a new line of spacesuits in the company's riskiest mission yet.
Jared Isaacman, CEO of Shift4 integrated payment processing solutions, participated in the first ever private spacewalk by a group of astronauts who left a SpaceX capsule after a delay of a few hours, testing a new line of spacesuits in the company's riskiest mission yet.
A record number of human beings are now in orbit
For the first time, there are 19 human beings orbiting the planet. They represent three different countries and are aboard three different spacecraft.
For the first time, there are 19 human beings orbiting the planet. They represent three different countries and are aboard three different spacecraft.
Delta plane collision to be investigated by FAA
At Atlanta airport Tuesday mid-morning morning, a Delta Airlines jumbo jet with 221 Tokyo-bound passengers collided with and knocked the tail off a much smaller Lafayette, Louisiana-bound Delta Endeavor Air regional jet with 56 passengers on board.
At Atlanta airport Tuesday mid-morning morning, a Delta Airlines jumbo jet with 221 Tokyo-bound passengers collided with and knocked the tail off a much smaller Lafayette, Louisiana-bound Delta Endeavor Air regional jet with 56 passengers on board.
Boeing's Starliner spacecraft returns to Earth without astronauts
The troubled Boeing Starliner spacecraft parachuted into the New Mexico desert overnight, without the astronauts it carried to the International Space Station in early June.
The troubled Boeing Starliner spacecraft parachuted into the New Mexico desert overnight, without the astronauts it carried to the International Space Station in early June.
Watch: ISS astronaut captures out-of-this-world video of meteor slicing through atmosphere above Africa
A bolide is an astronomical term that’s used for "exceptionally bright meteors that are spectacular enough to be seen over a very wide area."
A bolide is an astronomical term that’s used for "exceptionally bright meteors that are spectacular enough to be seen over a very wide area."
California Henge: Here's how to catch the best view in San Francisco
A stunning glow-up of the San Francisco skyline and Bay Bridge drew photographers of all skill levels and those looking to snap a social media moment to gather along California Street at sunrise on Monday.
A stunning glow-up of the San Francisco skyline and Bay Bridge drew photographers of all skill levels and those looking to snap a social media moment to gather along California Street at sunrise on Monday.
NASA astronaut stuck in space reports ‘strange noises’ coming from troubled Starliner capsule
A NASA astronaut at the International Space Station (ISS) on Saturday reported hearing a "strange noise" coming from the Boeing Starliner spacecraft just days before it is set to leave the station and return to Earth on autopilot.
A NASA astronaut at the International Space Station (ISS) on Saturday reported hearing a "strange noise" coming from the Boeing Starliner spacecraft just days before it is set to leave the station and return to Earth on autopilot.
Watch: Northern Lights shine bright as lava from volcanic eruption in Iceland shoots into the air
The incredible video shows the bright green color of the aurora borealis glowing above the volcano, which erupted for the sixth time since the end of 2023 at the end of August.
The incredible video shows the bright green color of the aurora borealis glowing above the volcano, which erupted for the sixth time since the end of 2023 at the end of August.