News
- Astronomy
Oversize supernova
Researchers have found a supernova so luminous that it must have been produced by a much heavier star than the standard theory allows.
- Health & Medicine
Bad Alzheimer’s proteins sow disorder in the brain
Alzheimer's disease may start with a single abnormal protein that spoils other proteins nearby.
- Earth
Reading the tale of an ancient river
Ocean-floor sediment near England holds material deposited during the last ice age by what was then Europe's largest river system.
- Planetary Science
A discordant name for a dwarf planet
The largest known object at the fringes of the solar system, the icy body whose discovery heated up the debate about the nature of planethood, has an apt new name.
