Feature

Super-Giant Star Discovered in Large Cloud of Magellan

Copper Put into Auto Valves to Make Them Last Longer

[Photograph]: Good to Eat: And Safe

New Transmission System May Bring Power Greater Distances

Mastodon Remains Found in Turkey

Some Elements Yielded by Yttrium: “A Classic of Science”

Drinking Troughs Preserve Rare African Elephants

New Studies Cast Doubt on Cancer Treatment Value

In Science Fields

The Dog’s Family Tree

Electric Heating Keeps Chickens Warm

Unlike Relatives, Trout Prefer to Stay Home