With the help of citizen scientists, astronomers have discovered a rare pair of "Odd Radio Circles" overlapping in space.

Light is electromagnetic radiation: basically, an electric wave and a magnetic wave coupled together and traveling through space-time. It has no mass. That point is critical because the mass of an ...

From early experiments with lanterns to Einstein’s revelations about space and time, the speed of light has proven to be far more than a number: it’s the cosmic constant that defines reality.

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

A new device uses quantum optics to filter out starlight in real time — bringing scientists closer to directly observing Earth-like worlds. A team of scientists is developing a "quantum-sensitive" ...

During his life, Willy Ley predicted the dawn of the Space Age with remarkable accuracy. How did his remains end up forgotten in a co-op on the Upper West Side? Willy Ley wrote prolifically about the ...

My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far from Earth. My wife, Cristina, walked up just as the first space photo ...