Do you feel like what you do and who you are in the world matters? Do you have a sense that your actions are meaningful, and contribute to or benefit something that you care about? That’s your sense ...

Open the Youtube video The origin of life is one big chemical Catch-22. It always has been. To get life started, you need a ...

It began the way many discoveries do — a tickling of curiosity in the back of someone’s mind. That someone was astronomer and communicator Carl Sagan. The thing doing the tickling was the trajectory ...

If you walked down the greeting card aisle at an American store, looking for a sympathy card, you might see lots of colorful flowers and expressions of “May you find comfort” or “Love lives on.” But ...

Jordi Paps does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

What does it mean to be “alive”? Astrobiologists such as Nathalie Cabrol must contend with the lack of a concrete answer as they explore the universe looking for something out there that can properly ...

According to a new study, living cells outnumber stars in the universe, highlighting the deep, underrated link between geophysics and biology. By Dennis Overbye What’s in a number? According to a ...