
Planets
Noises sound totally different on Mars than on Earth. Here’s why
The Perseverance rover recorded the sound of laser pulses on Mars. Scientists used those recordings to determine the Martian speeds of sound.
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The Perseverance rover recorded the sound of laser pulses on Mars. Scientists used those recordings to determine the Martian speeds of sound.
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This clock measured how gravity changes the passage of time in different places — even spots just one millimeter apart.
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.
A new cache of confirmed exoplanet discoveries marks a milestone in planets found beyond our solar system.
The device not only produces electricity but also harvests water for drinking or crops. It could be especially useful in remote and dry parts of the world.