A 1,300-pound NASA probe re-entered Earth's atmosphere on Wednesday, nearly 14 years after it was launched. The U.S. Space Force confirmed the Van Allen Probe A, which was launched in August 2012, ...

Planetary warming has significantly accelerated over the past 10 years, with temperatures rising at a higher rate since 2015 than in any previous decade on record, a new study showed. The Earth warmed ...

Over 600 million years ago, most of Earth completely froze over, becoming “Snowball Earth.” But even during this frigid period, the climate still behaved in familiar ways, earth scientist Chloe ...

Our planet is currently defenseless against “city killer” asteroids, noting “we don’t know where they are,” a leading scientist has warned this week. Astronomer Kelly Fast, NASA’s planetary defense ...

In the whole history of Earth's climate, few events are as extreme as those that geologists call "Snowball Earth." "These are times when geologic evidence indicates Earth froze over, essentially from ...

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Earth's core is mostly made of the metals iron and nickel, but it also contains lighter elements like hydrogen, oxygen and silicon. CharlesC via Wikimedia Commons under CC-BY-3.0 How Earth got its ...

Thomas Gernon receives funding from the WoodNext Foundation, a fund of a donor-advised fund program. He is affiliated with the GFZ Helmholtz Centre for Geosciences, Potsdam, Germany. Chloe Griffin ...

Even when Earth was locked in its most extreme deep freeze, the planet’s climate may not have been as silent and still as once believed. New research from ancient Scottish rocks reveals that during ...

The largest-ever communications satellite of its kind took a major step toward operation Tuesday: operator AST SpaceMobile announced the record-breaking spacecraft, whimsically called BlueBird 6, has ...

The oceans are the largest entity on Earth’s surface. All that blue, however, may be dwarfed by an immense reservoir of hydrogen concealed in the planet’s heart. Experiments indicate that enough ...

Picture all of Earth’s oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth’s core, possibly making it ...