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.

Monarch butterfly population hits historic low
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Aster Hasle from The Field Museum talks about why we are seeing a drastic decrease in monarch butterflies and what that means for our environment.

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.

Top US aviation regulator says oversight of Boeing 'is not delivering safe aircraft'

The new chief of the Federal Aviation Administration said Tuesday that his agency is midway through a review of manufacturing at Boeing, but he already knows that changes must be made in how the government oversees the aircraft manufacturer.

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.

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.

Here's what the Pentagon's former UFO hunter learned on the job

The Pentagon official who led efforts to centralize UFO investigations has some harsh words for some members of Congress.