The United Nations' annual climate conference continues Wednesday with brief speeches by nations big and small.

With eight billion people, we use a lot of the Earth's resources in ways that are likely unsustainable. Klaus Hubacek, ...

Civil society groups and community representatives from across Papua New Guinea say the government must take action to end ...

We have an extremely incomplete picture of what these snowball periods looked like, and Antarctic terrain provides different ...

The continent is also a country - but there are often misconceptions about the region it's a part of and how it's defined.

A distant white dwarf hosts an Earth-like planet in an orbit that might be similar to Earth’s if it survives the Sun’s red giant phase.

When a giant asteroid hit Earth around 66 million years ago, it created a massive disaster that wiped out the dinosaurs. But somehow, many mammals survived, and scientists have some ideas why. Unlike ...

A future run on clean energy is impossible without lots of copper, a key component in solar panels and electric cars. That has some looking to a small island in the South Pacific called Bougainville, ...

Papua New Guinea on Thursday declared a boycott of next month's UN climate summit, branding the global warming negotiations a ...

Papua New Guinea's top diplomat has derided next month's COP climate gathering as "a total waste of time", saying Thursday that his nation will boycott the summit until "big polluters get their act ...

according to the World Wildlife Fund, and has long been celebrated as one of the "lungs of the earth". Impoverished, flanked by ocean, and already prone to natural disasters, Papua New Guinea is ...