'Halloween comet' breaks apart after nearing sun
Scientists called this comet a true "sungrazer" because it passed within 1% of Earth's distance to the Sun.
US airlines have to automatically refund travelers for canceled, 'significantly changed' flights: What to know
The Biden administration's new rules, which require automatic cash refunds for canceled or significantly delayed flights, took effect this week.
Northern Lights over DC, Maryland, Virginia: Tips to see the aurora borealis
Parts of the northern United States, including the D.C. region, could be in for a Northern Lights show tonight after charged particles were sent blasting from the Sun toward Earth in association with a strong solar flare.
Volcanic ash from Mexican volcano spotted over Florida
Popocatépetl is Mexico’s most active volcano and has been erupting for decades about 45 miles southeast of Mexico City.
Famous Alaska volcano sees seismic unrest after more than 30-year slumber
Several small earthquakes have been detected around Mt. Spurr this past week, prompting the Alaska Volcano Observatory to raise the volcano's alert level to "yellow" from the base green.
NASA astronaut released from hospital after 'medical issue' during splashdown
The SpaceX Dragon crew members completed a 235-day mission, 232 days of which were spent aboard the International Space Station conducting scientific research.
NASA SpaceX Crew-8: 1 astronaut remains in hospital after ‘medical issue’
One of the SpaceX Crew-8 astronauts remains in stable condition at the hospital but no additional information was released to protect their medical privacy, NASA said.
Time is running out to see Comet Tsuchinshan-ATLAS before it disappears for possibly forever
The comet made its first documented pass by Earth this month and is likely to disappear from our night sky for 80,000 years -- that is, if it survives its voyage around the solar system.
Trio of meteor showers to light up night sky in November
The Leonids and Southern and Northern Taurids meteor showers each reach their peaks sometime throughout November.
Microbial life may exist in Martian frozen water pools, study finds
Although evidence of life on Mars hasn’t yet been discovered during any of NASA's robotic missions, scientists believe it could be a different story in small pools of water under the surface.
Orionid meteor shower peaks this weekend: When and where to look up
Skygazers in both the Northern and Southern Hemispheres will be able to see the Orionids, weather permitting.
Photos: Hunter's Moon shines brightest Thursday night in Supermoon spectacular
A Supermoon is gracing our skies on Thursday night, and it's going to be a showstopper. The Hunter's Moon, the largest full moon of the year, will shine brightest after sunset.
Extremely rare comet, supermoon combo will light up skies over DC, Maryland, Virginia
October’s supermoon is the closest of the year and it’s teaming up with a comet for a rare stargazing two-for-one.
Atlas comet: When's your best chance to spot comet that may never return
An icy comet that will take 80,000 years to return – if it survives the trip – is streaking across the sky this October.
Rare comet lights up the sky, won't return for 80,000 years
A rare comet that won’t be seen for another 80,000 years is visible in the night sky through part of October.
Watch: Bear caught enjoying 'spa day' in California backyard pool
A video recorded in San Bernardino County captures a bear enjoying a "spa day" by taking a dip in a backyard pool.
Hunter’s Moon rising this week will be brightest Supermoon of the year
Look up this week - the moon is set to appear full most nights. Here's why.
Most anticipated comet of the year makes closest approach to Earth this weekend
Comet Tsuchinshan-Atlas made its closest pass to Earth this weekend, but weather permitting, it should be visible to the naked eye until the end of October. Here's what to know.
Watch magical moment man proposes under dreamy purple aurora
The geomagnetic storm this week helped make the aurora incredibly vibrant, and brought Northern Light displays to much of the northern U.S.
Caught on camera: Lightning bolt blasts bald eagle from tree
It's like something out of a movie: Video shows two birds perched on a dying cottonwood tree in Colorado. Suddenly, the nest explodes and both birds are knocked unconscious.