See the massive solar flares the Sun spit out this week

NOAA and NASA spacecraft are constantly watching the Sun, recording solar events like these two powerful solar flares this weekend.

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.

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.

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.

NASA's Ingenuity helicopter takes final flight on Mars

NASA's Ingenuity Mars helicopter was widely acclaimed to be the "Wright Brothers moment" of space exploration. Officials made the unexpected announcement this week that its mission has ended.