Earth's earliest life forms developed ways to survive the harmful effects of arsenic to cope with dramatic changes in their ...

For over half a billion years, Earth’s magnetic field has risen and fallen in sync with oxygen levels in the atmosphere, and scientists are finally uncovering why. A NASA-led study reveals a striking ...

All the latest science news on plate tectonics from Phys.org. Find the latest news, advancements, and breakthroughs.

Earth may have had a ring made up of a broken asteroid over 400 million years ago, a study finds. The Saturn-like feature could explain a climate shift at the time.

If you were to look up from Earth some 466 million years ago, you might have seen a gleaming ring stretching across the sky, some scientists say.

To explain why humanlike life took so long to arise, Carter proposed that it must depend on extremely unlikely evolutionary steps, and that the Earth is extraordinarily lucky to have taken them all.

The researchers published their findings Sept. 16 in the journal Earth and Planetary Science Letters. You may like Supernovas may have triggered life-threatening changes in ancient Earth's climate.

They’re the building rocks of life. Analysis of debris from the nearly 5 billion-year-old asteroid Bennu suggests the ingredients to life on Earth were present in the early days of our solar ...

Roughly 300,000 years ago, our species first appeared on the African landscape before spreading globally and coming to dominate the planet. All this happened about 4.5 billion years after Earth ...

The research estimates that life on Earth will end around the year 1,000,002,021, ... Science. Your inbox. Sign up for the most interesting tech & entertainment news out there.

Science News: In about a billion years, Earth will lose its oxygen, making it uninhabitable for life forms that depend on oxygen. The planet will become methane-ric ...

New research suggests “microlightning” exchanges among water droplets in Earth’s early atmosphere may have sparked the building blocks of life.