Energy from the sun’s rays can cause skin damage and cancers. Sunscreens can absorb or reflect the dangerous UV light. Here’s ...

Is black a colour? Black isn’t in the rainbow, but where does it fit in the colour spectrum? What makes something appear ...

Many displays found in smartphones and televisions rely on thin-film transistors (TFTs) made from indium gallium zinc oxide ...

A new analysis of BL Lacertae by NASA’s Imaging X-ray Polarimetry Explorer sheds light on the emission mechanisms of active ...

Cosmic radiation occasionally contains enormous amounts of energy, but we don’t know why or where this radiation comes from.

An attosecond—or 0.000000000000000001 second—is no time at all for a person. That is not so for electrons, atoms and molecules, and laser-wielding scientists are revealing the action ...

Quantum sensors have become important tools in low-energy particle physics. Michael Doser explores opportunities to exploit ...

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

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

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

A study reveals that UV lamps used for gel manicures can damage the skin, causing premature aging and oxidative stress.