Earth is often described as a water world, but how that water arrived has never been settled. For years, the focus has rested ...

A new NASA study using Apollo lunar soil samples challenges a long-held theory. It suggests meteorites were not the primary ...

For many years, planetary scientists have believed that water-rich meteorites arriving late in Earth's history (OK, the time ...

For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This coincided with the Late Heavy Bombardment (ca. 4.1 to 3.8 billion years ago), a ...

It was long thought, up until recently, that asteroids and comets delivered Earth's oceans during the very early Solar System ...

A long-standing idea in planetary science is that water-rich meteorites arriving late in Earth's history could have delivered a major share of Earth's water. A new study by Universities Space Research ...

Looking for the world's best places to travel in 2026? Here, travel experts share their picks for the top travel destinations ...

A close-up view of a portion of a "relatively fresh" crater, looking southeast, as photographed during the third Apollo 15 lunar surface ...

A long-standing idea in planetary science is that water-rich meteorites arriving late in Earth's history could have delivered ...

Clues buried in Moon dust are helping scientists revisit one of the oldest questions: where did Earth’s water come from? For ...

The white tents are up — commuters have been able to glance at them but it’s the strangers in our midst who wonder what they ...

The white tents are up — commuters have been able to glance at them but it’s the strangers in our midst who wonder what they house. Those in the Old Pueblo know those tents mean it’s time for the 2026 ...