7,733 results
- Climate
A stunning visualization of Alaska’s Yukon Delta shows a land in transition
Water and ice helped form the Yukon River’s delta. Now, climate change is reshaping it.
- Life
How these sea-loving mangroves ended up far from the coast
On the Yucatán Peninsula, mangroves trapped nearly 200 kilometers from the ocean are part of a “relict ecosystem” that’s more than 100,000 years old.
- Space
Spacecraft in 2021 set their sights on Mars, asteroids and beyond
This year, a bevy of new missions got under way on Mars and spacecraft prepared to visit asteroids.
- Space
A lunar magnetic field may have lasted for only a short time
New analyses of Apollo-era lunar rocks suggest that any magnetosphere that the moon ever had endured for no more than 500 million years.
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Debate over Pluto’s planet status still carries on
Managing editor Erin Wayman discusses the challenges of classification in science, from Pluto's planet status to the definition of life.
- Astronomy
The definition of planet is still a sore point – especially among Pluto fans
In the 15 years since Pluto lost its planet status, scientists have continued to use the definition that works for them.
- Planetary Science
Pluto’s dark side reveals clues to its atmosphere and frost cycles
Light from Pluto’s moon Charon illuminated the dwarf planet’s farside offering clues about how nitrogen cycles between its surface and its atmosphere.
- Planetary Science
NASA’s Perseverance Mars rover has begun its first science campaign
Now about 1 kilometer south of its landing spot, the rover has spotted several promising spots in its search for hints of ancient life.
- Astronomy
Space rocks may have bounced off baby Earth, but slammed into Venus
New simulations suggest a way to help explain dramatic differences between the sibling worlds.
- Science & Society
Here are the Top 10 times scientific imagination failed
Some scientists of the past couldn’t imagine that atoms or gravity waves could one day be studied – or nuclear energy harnessed.
- Science & Society
Marie Tharp’s groundbreaking maps brought the seafloor to the world
In part because of her gender, Tharp was the right person in the right place at the right time to make the first detailed maps of the ocean’s bottom.
- Earth
Dinosaur-killing asteroid may have made Earth’s largest ripple marks
A tsunami created by the Chicxulub impact could have formed giant ripples found in rock under Louisiana, a new study finds.
