A substance called antimatter is at the heart of one of the greatest mysteries of the universe. We know that every particle has an antimatter companion that is virtually identical to itself, but with the opposite charge. ...
General Physics
Oct 1, 2023
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For the first time, scientists have observed antimatter particles—the mysterious twins of the visible matter all around us—falling downwards due to the effect of gravity, Europe's physics lab CERN announced on Wednesday.
General Physics
Sep 30, 2023
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For those still holding out hope that antimatter levitates rather than falls in a gravitational field, like normal matter, the results of a new experiment are a dose of cold reality.
General Physics
Sep 27, 2023
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A NASA astronaut and two Russian cosmonauts returned to Earth on Wednesday after being stuck in space for just over a year. American Frank Rubio set a record for the longest U.S. spaceflight—a result of the extended stay.
Space Exploration
Sep 27, 2023
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Einstein's theory of gravity—general relativity—has been very successful for more than a century. However, it has theoretical shortcomings. This is not surprising: the theory predicts its own failure at spacetime singularities ...
General Physics
Sep 25, 2023
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NASA's Atmospheric Waves Experiment (AWE) has successfully completed critical space environment tests. Planned for launch to the International Space Station in November 2023, AWE will study atmospheric gravity waves in Earth's ...
Space Exploration
Sep 21, 2023
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The first use of a novel method of analyzing Mars' gravitational force supports the idea that the planet once had an extensive northern ocean.
Astrobiology
Sep 20, 2023
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At their closest point in orbit, Earth and Jupiter are separated by almost 600 million kilometers. At the time of writing, five months after launch, Juice has already traveled 370 million kilometers, yet in time it's only ...
Space Exploration
Sep 20, 2023
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A neutron star is 2 solar masses compressed into a ball only 12 kilometers wide. Its surface gravity is so immense it compresses atoms and molecules into raw nuclei and squeezes electrons into protons transforming them into ...
Astronomy
Sep 15, 2023
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China, India and the U.S. have all achieved landing on the moon in the 2020s.
Space Exploration
Sep 14, 2023
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