Oldest big cat fossil ever found

Four-million-year-old skull of relative of snow leopard fleshes out fossil record of big cats and challenges suppositions about how and where they evolved

NASA Cassini spacecraft provides new view of Saturn and Earth

The image sweeps 404,880 miles (651,591 km) across Saturn and its inner ring system. Plus you can see Venus, Mars and Earth.

Deadly tropical cyclone hit Somalia on November 10-11

Even as the devastating impact of Typhoon Haiyan began to emerge in the Philippines, Somalia too experienced one of the deadliest tropical cyclones in its history

Waste could help fuel low carbon energy and transport

"The type of fuels must change, and we have to reverse the trend of increasing traffic volumes; but that doesn’t mean the way we transport ourselves has to change drastically.” - Göran Finnveden

View from space: The sun flares up

The sun emitted a significant solar flare that peaked at 1:14 a.m. EST on Nov. 10, 2013.

New hammerhead shark species discovered

The Carolina hammerhead had long eluded discovery because it is outwardly indistinguishable from the common scalloped hammerhead.

NASA’s Hubble sees asteroid spout six comet-like tails

Comets are icy and sometimes have tails. Asteroids are rocky or metallic and typically don't have tails. But this asteroid has six tails and rotates like a lawn sprinkler.

Telescope finds new hunting ground for black holes

When a team of astronomers discovered two black holes in a collection of stars known as a globular cluster, they weren't sure if the black holes’ presence was a common occurrence or a unique stroke of luck.

Newly discovered dinosaur called King of Gore

A remarkable new species of tyrannosaur, Lythronax argestes - which translates as "king of gore" - has been discovered in Utah.

From one collapsing star, two black holes form and fuse

"Nobody has ever predicted that a single collapsing star could produce a pair of black holes that then merge." - Christian Reisswig