This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

The dazzling lights of the aurora are created when high-energy particles from space collide with Earth's atmosphere. While ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

Scientists have discovered the largest organic molecule containing sulfur — a key ingredient for life — ever identified in interstellar space. The researchers call the discovery a “missing link” in ...

Science journalism is reporting on the symptoms of a disease whose origins lie in an economic model that’s at odds with the ...

The 12-year-old firm raised $360,360,360 for its fifth fund. And there's a reason for that number.

"We've often seen the 'baby pictures' of planets forming, but until now, the 'teenage years' have been a missing link." ...

WEST LAFAYETTE, Ind. — Sometimes to truly study something up close, you have to take a step back. That’s what Andrea Donnellan does. An expert in earth sciences and seismology, she gets much of her ...

There is a rigorous scientific process that scientists followed before setting the Doomsday Clock at 85 seconds this year.

Sometimes to truly study something up close, you have to take a step back. That's what Andrea Donnellan does. An expert in Earth sciences and seismology, she gets much of her data from a bird's-eye ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From groundbreaking research aboard the International Space Station to dazzling new ...