'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.
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.
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.
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.
NOAA orders next generation of hurricane hunter aircraft
The National Oceanic and Atmospheric Administration announced recently it awarded a contract to Georgia-based Lockheed Martin Aeronautics for two specialized C-130J Hercules aircraft. The planes are expected to join NOAA’s fleet by 2030.
SpaceX launches rescue mission for 2 stranded NASA astronauts
SpaceX has launched a rescue mission for the two stuck astronauts at the International Space Station.
NASA, SpaceX postpone launch date of Crew-9 mission to space station due to Tropical Storm Helene
NASA and SpaceX have postponed the launch of the Crew-9 mission to the International Space Station due to Tropical Storm Helene.
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.
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.
Polaris Dawn, history-making space mission, splashes down off Florida coast: 'Welcome back to Earth'
The SpaceX Polaris Dawn crew splashed down in the Gulf of Mexico in the pre-dawn hours Sunday morning after a five-day mission that included the first-ever private spacewalk.
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.
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.
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.
Polaris Dawn live updates: SpaceX launches 4 private astronauts for historic spacewalk mission Tuesday morning
SpaceX's Falcon 9 rocket lifted off at 5:23 a.m. ET carrying four Polaris Dawn mission private astronauts to low-Earth orbit from Launch Complex 39A at NASA’s Kennedy Space Center in Florida on Tuesday morning.
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.
Waterspout off Florida coast delays SpaceX rocket launch from Cape Canaveral
Stormy conditions in Cape Canaveral, including a waterspout, delayed a SpaxeX Falcon 9 launch by a few hours on Thursday.
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."
SpaceX Falcon 9 launch postponed due to weather
SpaceX is planning to launch Falcon 9 on Wednesday afternoon.
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.
Watch: Massive fireball wows onlookers in four states
A massive fireball stunned onlookers as it streaked across four states. Scientists are now on the hunt for pieces that may have fallen to the ground.