The moon looks enormous when it's near the horizon — why is that?

Long before dinosaurs, Earth’s forests were ruled by a many-legged giant. Here’s why this millipede’s size still challenges ...

At some point in the deep past, humans may have come frighteningly close to disappearing altogether. Here’s what we know, ...

To take back his already stolen throne, VValak has his eyes set on Earth, and not in a good way (obviously). Here's our full ...

When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

Far beneath the Antarctic ice sheet, scientists are mapping a landscape that looks less like a frozen desert and more like an ...

New Zealand has taken great strides to protect the increasingly threatened Giant Wētā, one of the heaviest insects on Earth.

Eudoxus, Aristoteles, and Cassini craters are positioned near the lunar terminator during the first quarter moon, allowing their structures to be observed through telescopes tonight.

Since it first premiered in 1993, the "Power Rangers" series has introduced hugely powerful characters both evil and good. Here's how they rank.

There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth’s most massive land predator of all time. But the question of how quickly T. rex achieved its ...

There’s no mistaking Jupiter in the sky these winter evenings, rising in the southeast as evening twilight ends. In fact, you should be able to easily see it long before twilight fades. Jupiter is ...

In ancient Egypt, what was the Sphinx all about? – Effie, age 8, New Plymouth, New Zealand. One of the most mysterious and ...