Ojos del Salado is the highest active volcano in the world, located between Chile and Argentina. Know its height, location, eruption history and other facts. Volcanoes are created by moment of magma ...

June 28, 2026 Hawaii researchers are giving old fishing nets and recycled plastic a second life by mixing them into asphalt roads. Early tests found these roads didn't release more plastic particles ...

To participate, submit your response here by July 10 at 9 a.m. Eastern. This week’s winners will be announced by July 22. By The Learning Network Heeva Alavi, an Iranian-American, writes about her ...