(NEXSTAR) — For one day only in August, you can get into any of our national parks for free.

Three meteor showers are teaming up to spray fireballs across the night sky over Washington state. The Alpha Capricornids and ...

“An exciting implication of our study is that seismic shaking, caused by moonquakes generated by movement on young faults like the Lee-Lincoln fault, probably result in landslides and boulder falls ...

Volcanoes are exciting and seeing molten lava is a thrill. To see active volcanoes, head to a U.S. National Park that ...