News
- Life
A more fearsome saber-toothed cat
Analyses of fossils reveal that a third, newly recognized type of saber-toothed cat — one that killed by biting large chunks of flesh from its victim instead of biting its neck and slashing the major blood vessels there —roamed the Americas about a million years ago.
- Paleontology
How pterosaurs took flight
Extinct flying reptiles known as pterosaurs may have taken to the air with a technique akin to leapfrogging, new research suggests.
- Space
More problems with Hubble
Hubble’s resurrection is suspended while engineers examine two anomalies.
- Earth
An electronic nose that smells plants’ pain
Device can detect distress signals from plants that are harmed, under attack.
