Stories by Meghan Bartels

When sleep feels elusive, getting out of bed can calm your mind and help you avoid bad sleep habits

Scientists are beginning to understand what kind of thunderstorm produces so-called megaflashes of lightning that stretch more than 60 miles

President Joe Biden has been using a CPAP machine to treat his sleep apnea, according to White House officials. What does that mean?

Astrophysicists are tuning in to a never-before-seen type of gravitational wave spawned by pairs of supermassive black holes

Professional and amateur astronomers alike are hoping that Comet C/2023 A3 will sparkle in Earth’s skies in the fall of 2024, although comets are notoriously difficult to predict

Astrophysicist Farhad Yusef-Zadeh has spent decades peering into the center of the Milky Way galaxy, discovering hundreds of enigmatic filaments in the process

The tourist submersible Titan imploded while diving to visit the wreckage of the Titanic, which sank in 1912

Scientists have used quantum technology to track individual particles of light as they begin the process of photosynthesis

To better understand early pregnancy loss without using actual human embryos, scientists employed stem cells to create models that mimic this stage of development

Most of the eastern U.S. has been swathed in smoke billowing off more than 400 wildfires across Canada

Where is it coming from? How long will it last? What's in the smoke? Whose health is at risk? How do you clean your own air?

For lung cancer patients who have a specific genetic mutation, taking a pill called osimertinib after surgery greatly reduced the risk of lung cancer recurrence

Smoke from record-setting wildfires in Canada has blanketed parts of the eastern U.S., but shifting summer weather patterns should bring relief

The combination of a massive seaweed bloom, plastic in the ocean and climate change is increasing the risk of dangerous infections

Scientists are using satellite observations of a massive volcanic eruption’s impact to better understand Earth’s atmosphere

The weight of New York City’s 1.1 million buildings is making the city slowly sink

The ChatGPT AI can ace an IQ test, but it can’t beat brainteasers like those devised by legendary math puzzler Martin Gardner

The death throes of a massive star in the galaxy M101, located just 21 million light-years away from Earth, are entrancing professional and amateur astronomers alike

Dozens of people reported tremors on the island of Bornholm, but seismologists say there was no earthquake

Betelgeuse, the red star at the shoulder of the constellation Orion, has been acting strange, raising hopes for the spectacle of a lifetime

Scalloped hammerhead sharks take dramatic dives to hunt for food in cold, deep waters—and new evidence suggests they hold their breath to keep warm while they do so

Flavor is a tricky target, but technology and powerful genetic techniques are making it more feasible to improve the taste of vegetables

SpaceX’s Starship launch site in southern Texas is now the subject of a lawsuit after the vehicle’s first flight caused concerning damage

’Tis the season for hordes of blue jellyfishlike creatures to wash up on California beaches