life

Did Life Need Plate Tectonics to Emerge?

It's widely accepted that Earth's plate tectonics are a key factor in life's emergence. Plate tectonics allows heat to move…

1 year ago

A New Place to Search for Habitable Planets: “The Soot Line.”

The habitable zone is the region around a star where planets can maintain liquid water on their surface. It's axiomatic…

1 year ago

The Raw Materials for Life Form Early on in Stellar Nurseries

Life doesn't appear from nothing. Its origins are wrapped up in the same long, arduous process that creates the elements,…

1 year ago

Could Life Survive on Frigid Exo-Earths? Maybe Under Ice Sheets

Our understanding of habitability relies entirely on the availability of liquid water. All life on Earth needs it, and there's…

2 years ago

How Dangerous are Nearby Supernovae to Life on Earth?

Life and supernovae don't mix. From a distance, supernovae explosions are fascinating. A star more massive than our Sun runs…

2 years ago

Europa Could be Pulling Oxygen Down Below the Ice to Feed Life

Jupiter's moon Europa is a prime candidate in the search for life. The frozen moon has a subsurface ocean, and…

2 years ago

Even More Complex Organic Molecules Have Been Found in a Protoplanetary Disc. Was Life Inevitable?

Will we ever understand life's origins? Will we ever be able to put our finger on the exact moment and…

2 years ago

Does the Entire Planet Have a Mind of its Own?

What is humanity? Do our minds set us apart from the rest of nature and from the rest of Earth?…

2 years ago

Massive Rocky Planets Probably Don’t Have big Moons

The Moon has orbited Earth since the Solar System's early days. Anyone who's ever spent time at the ocean can't…

2 years ago

Curiosity Sees a Strong Carbon Signature in a Bed of Rocks

Carbon is critical to life, as far as we know. So anytime we detect a strong carbon signature somewhere like…

2 years ago