Imagine if Greenland bordered Portugal, Brazil no longer had a coastline, and Tibet suddenly lay by the sea. It sounds ...

In China’s Taklimakan Desert, engineers are drilling a scientific well over six miles deep to explore the Earth’s interior ...

A long-lost fragment of Earth's crust has just been uncovered beneath the icy waters near Greenland—rewriting what scientists ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

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Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight.

Space telescopes are typically optimized either to study a small patch of the sky across many wavelengths of light or to ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

The livestream will now begin Friday at 11 p.m. EST, Dec. 19 (0400 GMT on Dec. 20), weather permitting, after rain prevented ...

In the mid-20th century, when people looked at a map of the world, they saw the familiar continents surrounded by vast, ...