Giant sharks once roamed the earth with a mega-appetite, research shows

Based on their digital creation, researchers calculated that the megalodon would have weighed around 70 tons, or as much as 10 elephants.

World’s largest moth found in Bellevue, WSDA says

Washington state scientists are asking the public to be on the lookout and to report sightings after the world's largest known moth was recently found in Bellevue.

Human brain not meant to stay awake past midnight, researchers say

Changes in the brain during the nighttime hours can make a person more likely to view the world negatively, engage in harmful behavior, and make impulsive decisions, according to the researchers.

NASA's Artemis moon rocket makes final journey to launch pad

NASA's 32-story moon rocket began its last slow trip to the launch pad Tuesday night before launching the Orion spacecraft to the moon later this month.

Missouri City MMA fighter faces off with alligator

A Missouri City dad heading to take his daughter to her first day of middle school runs into an alligator on their front porch. He couldn't find anyone by phone who would help, so he took matters into his own hands to keep the gator from hurting anyone.

Alligator attacks, kills 88-year-old woman in South Carolina

The Beaufort County Coroner's Office says it believes the victim slipped into a pond located in the Sun City development and was attacked by the alligator earlier this week.

Teen pilot hopes to become youngest to fly solo around the world

Mack Rutherford, a 17-year-old from Belgium, is nearing completion of becoming the youngest pilot to fly solo around the world.

NASA's Artemis moon rocket to roll out Tuesday ahead of late August launch

Teams are preparing to move NASA's next-generation moon rocket to the Florida launchpad on Tuesday ahead of the long-awaited Artemis 1 liftoff later this month.

Monster star Betelgeuse recovers after blowing its top

The agency said astronomers used the Hubble and other telescopes to figure out the star blew off a huge chunk of its surface in 2019.

Melting ice is likely causing Earth to spin faster; Here’s why that’s a problem for timekeepers

The retired Naval Observatory director of time explains why timekeepers around the world are still trying to figure out how to incorporate the increasing speed recorded over the past five years.

Sturgeon full moon: Last supermoon of 2022 rises Thursday

The last supermoon of the year, also known as the Sturgeon Moon, happens Thursday night and coincides with the peak of the Perseid meteor shower. 

Perseid meteor shower peak: When and where you can see it

The Perseid meteor shower returns every year between July and August, offering sky-gazers a chance to enjoy the last weeks of the sweltering season outside, looking up at the night sky.