The latest science news from Science Daily
A large number of the valley networks scarring Mars's surface were carved by water melting beneath glacial ice, not by free-flowing rivers as previously thought, according to new research. The findings effectively throw cold water on the dominant 'warm and wet ancient Mars' hypothesis, which postulates that rivers, rainfall and oceans once existed on the red planet.
Posted: August 3, 2020, 4:01 pm
New genetic and patient analyses suggest severe COVID is linked to overactive complement, one of the immune system's oldest branches, and excess blood clotting.
Posted: August 3, 2020, 1:21 pm
Two NASA astronauts splashed down safely in the Gulf of Mexico Sunday for the first time in a commercially built and operated American crew spacecraft, returning from the International Space Station to complete a test flight that marks a new era in human spaceflight.
Posted: August 2, 2020, 8:47 pm
Ancient sediment found in a central Texas cave appears to solve the mystery of why the Earth cooled suddenly about 13,000 years ago.
Posted: July 31, 2020, 10:07 pm
Scientists have developed a new model that successfully predicted seven of the Sun's biggest flares from the last solar cycle, out of a set of nine. With more development, the model could be used to one day inform forecasts of these intense bursts of solar radiation.
Posted: July 31, 2020, 5:56 pm
When we say someone has a quick mind, it may be in part thanks to our expanded cerebellum that distinguishes human brains from those of macaque monkeys, for example. High-resolution imaging shows the cerebellum is 80 percent of the area of the cortex, indicating it has grown as human behavior and cognition evolved.
Posted: July 31, 2020, 5:55 pm
A new study shows other stars could have as many as seven Earth-like planets in the absence of a gas giant like Jupiter.
Posted: July 31, 2020, 12:56 pm
NASA's Mars 2020 Perseverance rover mission is on its way to the Red Planet to search for signs of ancient life and collect samples to send back to Earth.
Posted: July 30, 2020, 5:37 pm
Based on ALMA observations and a theoretical follow-up study, scientists suggest that a neutron star might be hiding deep inside the remains of Supernova 1987A.
Posted: July 30, 2020, 4:37 pm
Geological evidence suggests the known dinosaur groups diverged early on, supporting the traditional dinosaur family tree.
Posted: July 29, 2020, 6:14 pm