Earth’s earliest community of complex sea creatures lived in a warm, slimy, planetary petri dish that nurtured a broad array of exotic species. Yet we likely wouldn’t know...
Sahil Agarwal (Applied Mathematics) studies changes in the Arctic sea ice, even though he’s not an environmental scientist. He also searches for exoplanets (those that orbit...
Back in the 19th century, Charles Darwin wondered why he could find no fossil evidence of life that predated the Cambrian Period, 541–485.4 million years ago. He understood...
The search for habitable, alien worlds needs to make room for a second “Goldilocks,” according to a Yale University researcher.
For decades, it has been thought that the key...
The AGU was established in 1919 by the National Research Council, and has grown to be the largest and most influential geophysical organization in the world with 62,000...
Before Animals, Evolution Waited Eons to Inhale .
Animal evolution may have sputtered in uneven ocean oxygen; model useful when considering life on exoplanets
Oxygen buried deep underground in minerals may have prompted the churning of Earth’s rocky mantle billions of years ago and helped transform the planet’s early atmosphere,...