Physicists had a bright idea: Make light into swirling, ring-shaped vortices, similar to smoke rings or bubble rings.
The Perseverance rover recorded the sound of laser pulses on Mars. Scientists used those recordings to determine the Martian speeds of sound.
Of 99 coastal cities studied, nearly one-third are sinking. This leaves coastal communities increasingly vulnerable to rising seas.
Scientists discover that orb-weaving spiders listen with their legs, detecting sound vibrations that travel through their silken webs.
A thin red arc found in an image from the Hubble Space Telescope shows starlight from nearly 13 billion years ago.
Tracking these subatomic particles can uncover surprising hidden structures.
Two black holes merged into one, and then sped off at around 5 million kilometers (3.1 million miles) per hour.
Wrinkles in the sun’s outer atmosphere might trick the eye into seeing glowing arches, scientists now report.
New observations from the Event Horizon Telescope reveal the chaotic region around the Milky Way’s central black hole, Sagittarius A*, in extreme detail.