
Rescue mission to save NASA’s Swift space telescope is imperiled in orbit
A private spacecraft launched to boost the decaying orbit of NASA’s Swift Observatory is now suffering from potentially mission-ending malfunctions

Rescue mission to save NASA’s Swift space telescope is imperiled in orbit
A private spacecraft launched to boost the decaying orbit of NASA’s Swift Observatory is now suffering from potentially mission-ending malfunctions

Neuroscientists pinpoint how smells bring back childhood memories
Smell can bring back vivid childhood memories—the so-called “Proust’s madeleine” phenomenon—and neuroscientists now think they know why
Avocado flowers switch sex daily—now we know why
New work explains how avocado trees coordinate a complex reproductive strategy, switching every day between male and female

Sciencey summer books we love: Pompeii, quantum physics, and more
SciAm books editor Bri Kane shares her favorite science books for every summer mood

Mathematical ‘einstein’ tile works in the real world, to everyone’s surprise
Discovered by an amateur mathematician in 2022, this strange construct can tile an infinite surface without repeating. But can it be useful in the real world?

Does physics allow time travel?
Physicists, mathematicians and philosophers have been exploring the possibility of going forward to the future or back to the past

How mental exhaustion changes the choices you make
Neuroscientists show how the brain weighs effort against reward when we're mentally fatigued

What caused the magnitude 6.8 earthquake in Japan?
This quake, which has caused damage to several roads and buildings, occurred along a strike-slip fault

Scientists get best-yet glimpse of Betelgeuse’s companion star
After decades of hints and speculation, scientists have at last unveiled the hidden companion to the iconic star Betelgeuse

Has NASA already found life on Mars?
In searches for past and present Martian life, some scientists say we’ve been too cautious to see what’s right in front of us

Bees might carry tiny magnetic ‘compasses’
Magnetoreception is one of the most controversial animal senses. And several bee species might have it

The science books our editors can’t stop recommending this summer
From ecohorror to science-inspired poetry, discover the books Scientific American staffers are recommending this summer