This is the moment the Portage glacier near Whittier, Alaska calved and crashed into the frozen Portage Lake, causing huge waves to break the icy lake's surface apart. Reports say two people ice ...

The Thwaites Glacier is one of many bodies of ice that are melting, but this massive, Antarctic glacier is uniquely important when it comes to sea level rise. “We’re talking a ...

There's no other experience on Earth quite like witnessing the northern lights. Also known as the aurora borealis, this spellbinding phenomenon – when brilliant hues of green, yellow, red and purple ...