If Earth's history were a calendar year, humans would not appear until the last few minutes before midnight on Dec. 31.

Science works on the principle of reproducibility ... and meteorites that never encountered Earth's rock cycle have confirmed the dates from zircon crystals, informing our ideas on how the ...

Florida State University Assistant Professor of Geology, Emily Stewart, has conducted new research that questions the ...

It feels like there have been staggering science stories emerging every other day recently, all of which have blown our tiny ...

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than previously thought — and may be a big reason that our planet harbors life.

Sedimentary rocks deposited in deepwater ... Atmospheric influences of Earth’s earliest sulfur cycle. Science 289, 756–758 (2000). Goldblatt, C. & Zahnle, K. J. Clouds and the faint young ...

At the end of the last global ice age, the deep-frozen Earth reached a built-in limit of climate change and thawed into a slushy planet. Results provide the first direct geochemical evidence of the ...

All three of orbital cycles — called Milankovitch cycles — impact African climate on long geologic timescales, but the cycle with ... Mediterrenean. Earth and Planetary Science Letters 136 ...

The new research is titled "Substantial extension of the lifetime of the terrestrial biosphere," and it's been accepted for ...

New research suggests that about 3.6 billion years ago, Mars featured vast water flows and a lake rivaling the size of the ...

In the new study, the team describes this well-preserved fossil tadpole. It belongs to the species Notobatrachus degiustoi and dates back about 168 to 161 million years to the Middle Jurassic. Most ...

Scientists have calculated the Earth to be 4.54 billion years old, with an uncertainty of 50 million years on either side.