According to the recent IPCC Special Report, warming of 1.5°C (2.7°F) is an important threshold for many climate impacts. What might our planet look like with 1.5°C of warming?

Quelccaya, in the Central Andes of Peru, is the largest tropical ice cap in the world. A recent study suggests that the ice cap might soon cease to exist.

Signals from Mars will take 8 minutes to travel to Earth on Monday. By the time we hear that InSight has reached the top of Mars' atmosphere, the lander will have already touched down safely ... or crashed.

Scientists are trying to solve the mystery of why a narwhal was adopted by a group of beluga whales in Canada's St. Lawrence River.

What's the relationship between mind and matter? A new psychological theory suggests that synchronized vibrations lie at the heart of human consciousness, and - indeed - of all physical reality.

There is more to sex than male and female. For some species there are hundreds and even thousands of sexes and mating types.

A study released this past week reports that oceans absorbed 60 percent more heat than previously thought. The study estimates that for each of the past 25 years, oceans have absorbed an amount of heat energy that is 150 times the energy humans produce as electricity annually.

We love watching horror movies and getting scared in haunted houses. But why? This scientist has spent the past 10 years investigating just this question.

Just because you don't have the flu doesn't mean that your aren't teeming with viruses inside and out. But what are all these viruses doing, if they aren't making you sick?

Last year, in its Grand Finale, the Cassini spacecraft dove repeatedly between Saturn and its rings. This week, 6 teams of researchers published new research based on Cassini's final days and those daredevil dives.