In November 1986, Australian miners climbed Lunatic Hill and bored 20 meters into the Earth. They were rewarded with a fist-sized, record breaking gemstone, which they named the Hailey's Comet opal. Thanks to a characteristic called...

Even though there are no volcanoes on the Olympic Peninsula, you can find lots of volcanic rocks on the beaches. This bizarre circumstance might have to do with how the ancient island transformed Washington state.

It's a rematch Battle of The SciShow Hosts on today's quiz show! Will Olivia be victorious again or will Hank "try those logarithms" and win the day?

This week on SciShow Space News, researchers have figured out which gas drives fire fountain eruptions on the Moon. And you can send a message or your name to the Moon or Mars!

Today we're going to talk about how and why floods happen both in spite of, and because of, us. Specifically, we'll take a closer look at the island of Java, and its largest city, Jakarta, and explain the factors that lead to serious...

Discover how a Tijuana home addresses environmental challenges by using recycled materials and a water-treatment system. Learn about the innovative approach to water conservation, solar energy, and sustainable design that reduces costs...

The people of Pompeii ignored the warning signals from nearby Mt. Vesuvius. When the volcano finally erupted, it devastated the entire city, encasing Pompeii in ash for nearly 1500 years. Earth Science - Geology - Learning Points. On 24...

Now that we know how igneous rocks form, what are the types of igneous rocks? This depends on precisely where they form, and we can call them either intrusive or extrusive. These can also be called either plutonic or volcanic. What do...

This program explores the geography, history, and some important cultural features of the Mountain Region of the United States. The individual states of Colorado, Utah, Wyoming, Idaho and Montana are presented in detail.

Paul Niles, planetary geologist and analytical geochemist, describes the Mars environment, terrain, weather, atmosphere, and more that humans will face while living on the Red Planet on this ninth episode of our Mars Monthly series....

An analysis of lunar rocks brought to the earth by US astronauts shows that there are traces of water on the moon. Samples brought back from the moon back in the 1970s reveal ancient droplets of volcanic glass that contain moisture....

This program explores the geography, history, and some important cultural features of the Mountain Region of the United States. The individual states of Colorado, Utah, Wyoming, Idaho and Montana are presented in detail.

This program explores the geography, history, and some important cultural features of the Mountain Region of the United States. The individual states of Colorado, Utah, Wyoming, Idaho and Montana are presented in detail.

Through real world footage and animation students will learn how igneous rocks are formed and where they are located. Viewers will understand the differences between intrusive and extrusive rocks and how various landforms are made. Side...

This program explores the geography, history, and some important cultural features of the Mountain Region of the United States. The individual states of Colorado, Utah, Wyoming, Idaho and Montana are presented in detail.

This program explores the geography, history, and some important cultural features of the Mountain Region of the United States. The individual states of Colorado, Utah, Wyoming, Idaho and Montana are presented in detail.

This program explores the geography, history, and some important cultural features of the Mountain Region of the United States. The individual states of Colorado, Utah, Wyoming, Idaho and Montana are presented in detail.

Earth Science for Kids is the fun way to learn important facts about earth science and prepare for tests. Take a fascinating journey to the Super Science Station to learn about types of rock.

NASA's Perseverance Rover unexpectedly has discovered volcanic rock on the surface of Mars. Scientists initially had thought the rocks were sedimentary in nature.

Mauna Kea, Hawaii, USA

MS Shot of volcanic gases rising from rocks covered in yellow green sulphur crystals with trees in distance on cloudy day at Sulphur Banks in Volcanoes National Park / Volcano, Hawall, Big Island, United States

MS Shot of volcanic gases rising out of volcanic rock with yellow green sulphur cyrstals and red coloured iron deposits at Sulphur Banks in Volcanoes National Park / Volcano, Hawall, Big Island, United States

MS Shot of volcanic gases rising from rocks covered in yellow green sulphur crystals with information sign on ground at Sulphur Banks in Volcanoes National Park / Volcano, Hawall, Big Island, United States

CU Shot of volcanic gases rising from rocks covered in yellow green sulphur crystals at Sulphur Banks in Volcanoes National Park / Volcano, Hawall, Big Island, United States