Two defunct satellites passed within metres of one another, prompting renewed focus on the dangers of space debris. But with many satellites treated as military secrets, how do we track the hazards?
Much of what we know about these elusive eels’ life cycle has been based on circumstantial evidence. Now for the first time, scientists tracked an adult eel to its distant spawning ground.
The seas are vast. And they claim vessels in significant numbers. The yachts Cheeki Rafiki, Niña, Munetra, Tenacious are just some of the more high-profile names on a list of lost or capsized vessels which…
The idea of using satellites to monitor wildlife and biological diversity probably conjures up images of radio-collared deer or tagged turtles. And while these have been key to increasing our understanding…