Stories by Jackie Flynn Mogensen

A treasure trove of fossils from China shows that the Cambrian explosion may have been less explosive than scientists once believed

The first day of the Artemis II mission saw the crew enter Earth orbit and prepare for their journey around the moon

NASA launched the Artemis II moon mission on Wednesday, April 1—a date that will enable the crew to observe the moon pass in front of the sun from space

A Wisconsin-sized region of frozen soil is thawing fast, releasing three trillion more gallons of water per year than it did just four decades ago

Fresh-water-saturated sediment or bedrock may extend as deep as three or four kilometers below the Great Salt Lake’s basin, a new study suggests

Sperm whales are known to socialize, but scientists were stunned when they saw a group of sperm whales gather as one of them gave birth

Researchers put human sperm inside a uteruslike simulation under microgravity conditions. It did not go well

New images captured by the Hubble and James Webb space telescopes show Saturn in both visible and infrared light

An analysis of ancient grape seed DNA reveals the earliest known instance of humans in France purposefully cloning plants—including for pinot noir grapes

The research into whether social media is addictive is nuanced and complex, with many unanswered questions

Engineers explain how a collision between an Air Canada plane and a fire truck at one of New York’s busiest airports turned deadly

The science-fiction film Project Hail Mary sees Ryan Gosling go to space in a state of suspended animation. But does the science suggest that’s possible?

Whether it’s a canary’s chirp or a treefrog’s croak, humans tend to prefer many of the same sounds that animals do themselves, a new study finds

Retatrutide is among a new class of weight-loss drugs that are being tested for effectiveness

The role of the thymus in our long-term immunity and health is poorly understood. Two new studies suggest we need to pay attention

Eyewitness accounts and videos taken from across the Midwest reveal the streak of a large fireball across the daytime sky

A 37-year study in the Chesapeake Bay revealed that a major predator of young blue crabs might be their own kind

Revolution Wind and Vineyard Wind are two of several wind farm projects that have come under fire from the Trump administration in recent months

Snakes are key members of their ecosystems. Here’s what would happen if they suddenly vanished just like in the Oscar-nominated film Zootopia 2

The human body is not built for life in space, and a new study helps reveal how

Dolphins washing up on the shores of Patagonia may have been fleeing orcas in the area

This interstellar visitor is “bursting with methanol,” according to one scientist

A communication pathway between the brain and the gut may be integral to how well the brain holds on to memories

Over nine hours, Kīlauea released 16 million cubic yards of lava and sent a cloud of ash beyond 30,000 feet