However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the ...

An attosecond—or 0.000000000000000001 second—is no time at all for a person. That is not so for electrons, atoms and ...

That means returning from the moon, the Artemis astronauts will be traveling at around 0.0037% the speed of light. Assuming a ...

LOFAR is a massive radio telescope that comprises 100,000 antennas spread across eight European countries. The researchers ...

"Using the new common signal, we can determine how much of what we're seeing is cosmic glare from light bouncing off the hood ...

A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before ...

A newly discovered radio halo, 10 billion light-years away, reveals that galaxy clusters in the early universe were already steeped in high-energy particles. The finding hints at ancient black hole ...

A team of researchers has developed a novel method for using cholesteric liquid crystals in optical microcavities. The ...

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

Nearly 50 years ago, physicists floated a bold idea: our universe might be stuck in a false vacuum. This state feels stable, ...

Knowable Magazine reports on attosecond science, revealing how scientists study atomic interactions at unbelievable speeds to ...

Nick Stone discusses some of the many ways in which light can be used for diagnostic and therapeutic applications ...