An ant, a plant, and a bear, oh my
In a mountain meadow in Colorado, ecologists have come across yet another example of the amazing interconnectedness of nature’s flora and fauna. Black bears, by eating ants, help one of the meadow’s key plant species thrive.
NASA launches next-generation scientific balloon
Super-pressure technology could keep gamma-ray telescope aloft for 100 days or more around Antarctica.
Planet hunters plot course for inhabited worlds
Researchers aim to set aside differences in search for life on distant spheres.
How do you test an Ebola vaccine?
Scientists in West Africa are racing to determine what immunization strategies could be most effective to contain the epidemic.
Earth’s deep crust could support widespread life
Discovery of hydrogen-rich waters hints at unexplored microbial ecosystems.
Curiosity rover sniffs Martian methane
Background gas levels are low — but they spike periodically.
Titan’s giant dunes track ancient climate
Long-term orbital wobbles drive changes in sand patterns on Saturnian moon.
Physics: Quantum computer quest
After a 30-year struggle to harness quantum weirdness for computing, physicists finally have their goal in reach.
Homo erectus made world’s oldest doodle 500,000 years ago
Shell markings are the oldest abstract signs ever discovered.