The iNaturalist cellphone app not only helps users identify plant, animal and insect species; it also provides invaluable ...

With more than 650,000 Oklahomans statewide tuning into OETA on a weekly basis, it's billed as America's most watched PBS ...

Nearly all of the planets in the solar system are about to march through the night sky in a single-file line. This planetary alignment, sometimes called a planet parade, will include all of the solar ...

A layer of rock just 520 million years old sat directly on top of ancient rock dating back 1.4 to 1.8 billion years.

This month, a rare six-planet "alignment" will be visible to stargazers. Soon after sunset on Saturday, February 28, a planetary alignment, also known as a "planet parade," will brighten up our night ...

NEW YORK (AP) — Six planets are linking up in the sky at the end of February, and most will be visible to the naked eye. It's what's known as a planetary parade, which happens when multiple planets ...

For life to develop on a planet, two chemical elements are needed in sufficient quantities: phosphorus and nitrogen. Phosphorus is vital for the formation of DNA and RNA. Nitrogen is an essential ...

Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky ...

Explore mammals’ surprising origins, long before the age of dinosaurs. The surprising story of mammal evolution begins long before the age of dinosaurs. Witness how some of our prehistoric mammal ...

For life to develop on a planet, certain chemical elements are needed in sufficient quantities. Phosphorus and nitrogen are essential. Phosphorus is vital for the formation of DNA and RNA, which store ...

This is read by an automated voice. Please report any issues or inconsistencies here. Paula Kerger of PBS wants viewers to know: “We’re still here and we are even more resolved to do great work.” As ...

In a remote cave, in North West Africa, a chance discovery uncovered some mysterious human remains. For the longest time, we thought we knew the origins of our species. We thought we began 200,000 ...