The Radcliffe Wave is a massive, undulating structure filled with dense clouds of gas and dust, stretching across several ...

When we gaze up at the night sky, it’s hard not to wonder about the vastness of the universe and its origins. The universe, ...

According to Einstein’s theory of general relativity, gravitational waves warp spacetime. In the process, they could imprint ...

Opinion High energy neutrinos are the coolest particles in astrophysics. Born in distant cosmic cataclysms, they speed ...

Einstein's theory of general relativity predicts gravitational memory, where space-time retains imprints from passing ...

Scientists have discovered two enigmatic icy objects in deep space that defy explanation. Unlike typical interstellar ice ...

Is it possible that dark matter, which makes up 85% of the cosmic matter budget, is simply a collection of primordial black ...

Scientists investigate gravitational wave memory theory by Einstein, searching for traces in the cosmic microwave background.

Scientists are exploring a new way to test one of Einstein’s theories—an effect called gravitational wave memory, which could leave a permanent mark on space. The search for this hidden imprint has ...

The researchers suggest that the cosmic microwave background — a faint glow left over from the Big Bang — might carry the ...

NASA’s twin Voyager probes, which launched 47 years ago, are shutting off some science instruments in an effort to ...