There are more than 5,000 confirmed planets beyond our solar system, NASA says
These so-called exoplanets include rocky worlds similar in size to Earth, gas giants larger than Jupiter and even"'mini-Neptunes."
Science
Astronomy's contribution to climate change rivals the emissions from some countries
Building and operating telescopes can generate a lot of greenhouse gases. In fact, it's as if each astronomer in the world was driving more than 100,000 miles per year, a new study finds.
This form of memory loss is common — but most Americans don't know about it
Mild cognitive impairment, a common brain condition, can be an early sign of Alzheimer's disease. But most people don't know the symptoms. And some may mistake it for normal aging.
NASA's Artemis 1 moon rocket reaches the launch pad
NASA's Artemis 1 rocket, the Space Launch System, reached the Kennedy Space Center's Launch Complex 39B on Friday. The successor to the Apollo program could one day send humans back to the moon.
Elon Musk hints at a crewed mission to Mars in 2029
In 2016, Musk said that a "meaningful number of people" could reach the red planet in 10 years. Now, he seems to predict a crewed Mars landing in 2029.
How a fossil with 10 arms and named after Joe Biden changed the vampire squid game
Millions of years ago and thousands of feet below the ocean's murky surface lived the oldest relative of the octopus and vampire squid.
The James Webb Space Telescope is working as well as astronomers dreamed it would
Picture perfect: Mission managers say the telescope's mirror segments have been aligned and have focused on single stars, a critical milestone, and the telescope is working flawlessly.
Is breeding bulldogs cruel? Animal groups debate how to make them healthier
With smushed-in faces and compact bodies, bulldogs are prone to health problems. A court in Norway recently banned breeding them, sparking an international debate.
Do masks in school affect kids' speech and social skills?
Scientists say that for most children, masks in school aren't a major obstacle to learning or socializing. Students in classrooms find other ways to connect.
A group unearths the forgotten history of women in archaeology
A group of archaeologists and paleontologists noticed the women of their field were being forgotten. So they made the Trowelblazers, an archive featuring female achievement in the "digging sciences."