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.
Massive solar flare could trigger auroras this week: Will you be able to see it?
A massive solar flare could trigger auroras in the coming days. Here are the chances of seeing them in the United States.
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.
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.
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.
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."
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.
Asteroid about the size of 2 football fields to make close approach to Earth in September
In a few weeks, skygazers will be able to see an asteroid zoom past Earth.
Boeing, NASA execs reportedly fought in meetings over how to bring back stranded astronauts
Meetings between Boeing and NASA execs reportedly decended into yelling and arguments.
Who is the youngest person in space? Depends who you ask
Blue Origin has launched the oldest person, the youngest person and now the youngest woman into space – at least by their metric.
VIDEO: SpaceX Falcon 9 booster catches fire after landing mishap following launch from Florida
SpaceX’s Falcon 9 rocket's stage booster toppled over and caught fire while landing on a droneship in the Atlantic Ocean after a launch from Florida early Wednesday.