A possible cause of the end-Permian mass extinction: Lemon juice?
MIT researchers find that rain as acidic as lemon juice may have contributed to massive die-offs on land 252 million years ago.
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Study finds more spending on fire suppression may lead to bigger fires
Researchers emphasize balancing fire suppression with prevention measures.
Asteroids' close encounters with Mars
Scientists find that Mars, not Earth, shakes up some near-Earth asteroids.
Rescuing the Hubble Space Telescope
NASA crewmembers reflect on the most complex space repair in history.
3 Questions: Richard Binzel on the discovery of three large, near-Earth asteroids
The largest asteroid is 12 miles in diameter, but poses little immediate threat to Earth.
The moon’s face doesn’t tell its whole story
Researchers find that huge craters on the near side of the moon may overstate the intensity of asteroid impacts about 4.1 billion years ago.
Cocktail novelties inspired by nature’s designs
Mechanisms behind water bugs and lilies applied to culinary devices.
Researchers discover that an exoplanet is Earth-like in mass and size
While too hot to support life, Kepler 78b is roughly the size of the Earth.
‘Anklebot’ helps determine ankle stiffness
Data could aid in rehabilitation from strokes, other motor disorders.
Big plans for small spacecraft
Paulo Lozano is designing tiny ion thrusters for the next generation of satellites
‘He did it right. He did it right every day’
MIT community honors Officer Sean Collier on the six-month anniversary of his death.
Separating the good from the bad in bacteria
New microfluidic technique quickly distinguishes bacteria within the same strain; could improve monitoring of cystic fibrosis and other diseases.
Making Martian clouds on Earth
Cloud-chamber experiments show that clouds on Mars form in much more humid conditions than clouds on Earth.
Scientists generate first map of clouds on an exoplanet
Map reveals a lopsided cloud distribution on an extremely hot planet.