New evidence suggests humans arrived in North America far earlier than previously thought, and that they may have traveled along paths now buried deep beneath the sea.

Twenty years after its launch, we bid farewell to the Cassini spacecraft as it plunges into Saturn’s atmosphere in a planned death spiral. Productive right to the end, Cassini has rewritten the textbook on not only Saturn and its moons, but our whole solar system as well.

An extraordinary new discovery of a dinosaur fossil so pristine and complete, that it shows off the texture, patterns, and color of a prehistoric giant. Discover this brand new species that roamed during the late Jurassic and Cretaceous periods.

Scientists investigate the way the Sun builds its power -- through fusion -- hoping to find a way to use fusion as a less dangerous and less radioactive waste-producing path to energy than fission. But there are some major difficulties along the way...

Soon the European Space Agency's comet chasing probe, Rosetta, will crash onto the comet's surface near the robotic space lander, Philae. What will we learn about comets as the probe sends its final messages back to the ESA team on Earth?

The coronavirus disease is spreading at frightening speeds from Wuhan, China, to the rest of the world. How did this virus develop, and how close are we to finding an effective vaccine?

Is it possible that there is a hidden planet within our own solar system? New evidence suggests that the fabled Planet X, or Planet 9, may indeed exist… but where? Meet the teams racing to discover and redefine our planetary neighborhood.

Officially designated as a pandemic, it seems as if COVID-19 has taken over the world. Lucky for us, this isn’t the first time we’ve had to deal with a serious virus outbreak. Experts share the methods currently in place to slow down this infectious disease.

According to current estimates, a widely available COVID-19 vaccine will likely be available within the next 12 months. Why so long? Learn how vaccines are developed and explore the current state of the coronavirus landscape, guided by the scientists on the ground trying to find a solution.

As the COVID-19 pandemic ramps up globally, every day brings new information about the disease. Learn what the virus does to the human body, and hear from the medical experts searching for techniques to treat the illness.

With countries racing to combat COVID-19 and communities across the world on lockdown, the world's attention has been directed towards medical solutions to this disease outbreak. However, there's another largely unseen health factor currently at play: our mental well-being.