How a planet comes together has implications for whether it captures and retains the volatile elements, including nitrogen, carbon and water, that eventually give rise to life, according to scientists ...
Most of the carbon and nitrogen in our bodies probably came from a planet the size of Mars crashing into Earth 4.4 billion years ago, scientists say. Researchers have long thought that these elements, ...
Elements heavier than iron, such as gold and uranium, are primarily formed through neutron capture processes, specifically the rapid neutron capture process (r-process). The r-process, unlike the ...
Around 3.5 billion years ago, life began to sprout on a fairly quiet, desolate planet we call Earth. Tracing the origins of life, and how molecules combined to create microbial life, is perhaps the ...
When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Although planets surround stars in the galaxy, how they form remains a subject of debate. Despite ...
Even if early Earth had water and oxygen, the planet would still have needed another ingredient for life to flourish: heavy metals. Our cellphones, Earth’s core and even human metabolism would ...