See how our seasons come from Earth's tilt and yearly loop around the sun, which changes the ice cover, vegetation, and ...

The first day of fall arrives on Sunday with the autumn equinox, starting shorter, colder days because of Earth's axis and ...

Coronal mass ejections, or CMEs, can cause both the northern lights and widespread telecommunications disruptions. But could a powerful CME end the human race?

Hong Kong’s war on plastic waste took centre stage on Earth Day on Saturday, with a green group in the city saying it was time to go beyond recycling. An eight-week programme kicked off to get ...

1️⃣ Mysterious vibration: A landslide triggered a 650-foot mega-tsunami in Greenland that caused the Earth to shake for nine ...

A newly discovered asteroid, also referred to as a mini-moon or second moon, is set to enter Earth's orbit temporarily this ...

A billionaire spacewalker returned to Earth with his crew on Sunday, ending a five-day trip that lifted them higher than ...

It won't be there forever, but Earth will have a second moon when a small asteroid begins to orbit the planet later this ...

On World Ozone Day, we celebrate global efforts to protect and restore the ozone layer, a vital shield that protects life on ...

The Day After Tomorrow' was the first Hollywood blockbuster to tackle climate change head on. But why does global warming ...

Many people consider the autumnal equinox on Sunday as the official end of summer and the first day of fall. If you were waiting on the autumnal equinox for fall weather, though, you may have to keep ...

The autumn equinox, which comes around every September for the Northern Hemisphere, marks the official astronomical start of ...