Nearly 660 kilometers (410 miles) beneath Earth's surface lies one of the planet's most important internal boundaries. Known ...

A fresh look at a nearby planet has scientists rethinking its potential, with its biggest secret still out of reach.

The star’s looming death will dramatically reshape the inner solar system, engulfing Mercury and Venus in a fiery sphere. The ...

We might not have to go scorched Earth after all. Contrary to popular belief, the Earth might actually weather the fiery death of the sun that’s expected to engulf our neighbors, per a relieving study ...

When the sun dies, it will become hundreds of times its current size and engulf the innermost planets. Earth may escape this ...

The combined impact of a strong El Niño and climate change has officially pushed ocean surface temperatures past the record ...

The X1.1 eruption briefly disrupted radio communications across the daylight side of Earth.

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and timekeepers. July 10 was the shortest day of the year so far, lasting 1.36 ...

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Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...