How did life on Earth begin? and Is there life elsewhere in the universe? Given the enormous interest in these questions, you ...

An effort to understand Earth’s past climates uncovered a history of wild temperature shifts and offered a warning on the ...

“Over millions of years, material from this ring gradually fell to Earth, creating the spike in meteorite impacts observed in ...

The implications of not understanding the formation of the inner core are far-reaching. Previous estimates of the inner ...

Contemporary fiction is fascinated by Deep Time, a time before humanity and therefore before history, as it seeks to imagine ...

Our Earth is about 4.5 billion years old and ... can produce a magnetic field — died before the rocks crystallized… if the ...

A new study offers the most detailed glimpse yet into how Earth's surface temperature has changed over the past 485 million years. The data show that Earth has been and can be warmer than today -- but ...

While Johnson and Present said geologists knew of iron's ubiquity on Earth during this time, it wasn't until they began talking ... as it was before the Great Oxygenation Event, life had to ...

While Johnson and Present said geologists knew of iron's ubiquity on Earth during this time, it wasn't until they began talking ... as it was before the Great Oxygenation Event, life had to ...

A prolonged and intense El Niño also explained why extinctions had begun on land before they occurred ... is the biggest crisis in Earth’s history from life’s standpoint, but I don’t ...

Very few species on Earth today are considered “living fossils”–species that have survived over ... [+] hundreds of millions of years, remaining more or less unchanged compared to their ...