The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, ...

As director of the Carl Sagan Center for Research at the SETI Institute, astrobiologist Nathalie A. Cabrol's work is focused on answering the question of whether we're alone in the universe. In “The ...

Researchers led by the University of Tsukuba present computer simulations that capture the complex dynamics of elusive neutrinos left over from the Big Bang Current simulations of cosmic structure ...

“The cosmos is also within us, we're made of star-stuff. We are a way for the cosmos to know itself.” - Carl Sagan Compared to the Sun, how big is the Earth? What is a scale model and how does it help ...

"SPHEREx will prove that there are interesting things hiding in between our stars that we should care about." When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

There's something big missing from our solar system — and that may be a good thing. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Planetary ...

Space looks very dark from Earth. But does the solar system, and the universe for that matter, have an area that's the darkest of all?

The first steps to solve the millennia-old mystery of our true place in the universe happened, of all places, on a brisk and early Tuesday morning in the unremarkable conference room of a hotel in ...

As director of the Carl Sagan Center for Research at the SETI Institute, astrobiologist Nathalie A. Cabrol’s work is focused on answering the question of whether we’re alone in the universe. In “The ...

As director of the Carl Sagan Center for Research at the SETI Institute, astrobiologist Nathalie A. Cabrol’s work is focused on answering the question of whether we’re alone in the universe. In “The ...