Diamond dust could play a role in climate control efforts, study suggests
Recent research suggests that injecting solid particles into the atmosphere may significantly mitigate stratospheric warming, as the rate continues to climb around the globe.
More northern lights could come as sun hits solar maximum, NASA says
The northern lights may put on a dazzling display over the next couple of years as the sun enters its solar maximum, a period of heightened activity that occurs about every 11 years.
See the most terrifying displays in our galaxy from NASA
The "Galaxy of Horrors" is an array of vintage-style horror movie-themed posters to show us what nightmares exist in space.
60 rare Siamese crocodiles hatch in Cambodia’s Cardamom National Park
Sixty critically endangered Siamese crocodiles hatched in Cambodia’s Cardamom National Park this summer, marking the largest wild breeding record of the species this century.
'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.
Geomagnetic Storm Watch issued after strong flare erupts from Sun
Aurora lights are possible in some parts of the U.S. on Monday.
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.
Everything you need to know about Philly Portal
The Portal, an interactive art project that links faraway cities via webcam, has come to Philadelphia and is now open.
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.
Atlas comet: Why this weekend is best time to see comet, meteor shower
This weekend would be a great time to look for a comet in your night sky. The Weather Authority says we'll have clear skies this weekend, and the best time to look for the comet is just after dusk.
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.
Comet watch: Best viewing spots in Philadelphia - plus a local skywatch party
If you missed last week's Northern Lights, here's your chance to spot another rare celestial event before its gone for another 80,000 years!
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.
Controversial black bear hunting season begins in NJ as population surges
A controversial hunting season is underway in New Jersey as wildlife officials warn that more black bears could cause dangerous results throughout the state.
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.