Man killed by lion after entering enclosure at zoo: 'The animal attacked'

A zoo guest who decided to climb a wall to enter a lion enclosure to apparently take a selfie was mauled to death by the animal Thursday, according to reports.

How NASA plans to study the sounds of the total solar eclipse

Eclipse watchers can help NASA study how the April total solar eclipse impacts wildlife and insects. The abrupt darkness can fool animals into thinking its dusk.

SpaceX launches 'Odysseus' lunar lander, aiming for historic US moon mission

SpaceX launched Intuitive Machines' Odysseus lunar lander on Thursday. The U.S. hasn't returned to the moon's surface in more than 50 years. Here’s when the touchdown attempt is planned.

These states have the most UFO sightings

Here's where people are reporting the most UFO sightings in the U.S., according to the National UFO Reporting Center.

Chernobyl’s mutant wolves developing resistance to cancer, study says

Wolves in Chernobyl’s radiation zone appear to have developed a resistance to cancer after being exposed to high levels of radiation in the wake of the nuclear disaster 35 years ago, according to a new study.

ESA to use laser beams in space to study gravitational waves

During the LISA mission, three spacecraft will fly in formation, forming a triangle connected by laser beams to detect gravitational waves.

Where you are likely to see the April total eclipse based on cloud-cover forecasts

A total solar eclipse will happen over a large swath of the U.S. this April, but cloud cover could spoil the views for millions if the weather doesn't cooperate. That's where historical weather comes in handy.

40 years ago, he became the first one-man spacecraft

Astronaut Bruce McCandless drifted away from the space shuttle and into history. The photo of his untethered spacewalk became one of the most iconic images of the decade.

Skyscraper-size asteroid expected to pass by Earth Friday

There’s no risk of it hitting our planet since it will pass seven times the distance from Earth to the moon.

Guardians' home opener on collision course with solar eclipse in Cleveland

By the time the first pitch is thrown at the Guardians' home opener on April 8, fans will have seen something more unusual than a no-hitter, more rare than a perfect game and astronomically more exciting than an unassisted triple play.

Syphilis reaches 1950s levels in US, while other STD rates show mixed trends

The U.S. syphilis epidemic isn't abating, with the rate of infectious cases rising 9% in 2022, according to a new federal government report on sexually transmitted diseases in adults.

Telescope captures stunning images of not 1 but 19 spiral galaxies

NASA’s James Webb Space Telescope was launched on Christmas Day 2021. Images possibly reveal billions of stars outside of our Milky Way galaxy.

Boeing withdraws safety exemption request amid growing scrutiny after 737 Max incident

Boeing is retracting a request for a safety exemption crucial for certifying its new 737 Max 7 model following an alarming incident where a door plug blew out on a 737 Max 9 mid-flight.