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
video

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.

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.

SpaceX Starship launch: Mechanical arms catch Super Heavy rocket booster

SpaceX’s Starship rocket completed its boldest test flight yet with the help of “chopsticks," the monstrous metal arms that caught the rocket booster back at the launch pad.

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.

Northern lights: Create your own display with these household items

In times when we don't see the northern lights in the region, we found some household items to recreate the northern lights vibes.

Will we see the northern lights a second time?
video

Many were stunned to see the northern lights so far south, while many others are hoping for another viewing of the stunning display of light.