Science Explorer
Science Explorer

Science Explorer

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The Pacific Ocean Is Doing Something Weird as It Warms: Young Water Gets Older, And Old Water Gets Younger
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The Pacific Ocean Is Doing Something Weird as It Warms: Young Water Gets Older, And Old Water Gets Younger

(Ken Kiefer 2/Connect Images/Getty Images) A paradoxical effect, explained.ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.

Diving into an Out-of-sync Galaxy
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Diving into an Out-of-sync Galaxy

Galaxies are like snowflakes, no two exactly alike, even the spirals. The Hubble Space Telescope did a visual dive into the distant spiral NGC 4693 and found some intriguing hints to its past. For one thing, this member of the Virgo Cluster seems to have a central region that's rotating out of sync with the spiral arms and bulge. Those arms don't seem to connect to the central region, and the bulge itself seems to extend out above the plane of the galaxy.

Cornell Lightsail Experiment Paves the Way for Interstellar Missions
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Cornell Lightsail Experiment Paves the Way for Interstellar Missions

Students in Cornell’s Space Systems Design Studio have published results from two lightsail experiments (Alpha CubeSat and Sailing to the Stars) built by engineering students at Cornell University.

SpaceX's Starship Rocket Does Its Job During First Orbital Flight
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SpaceX's Starship Rocket Does Its Job During First Orbital Flight

SpaceX sent its Starship super-rocket on its first orbital flight — a shorter-than-planned test mission that put operational Starlink satellites into orbit for the first time.

Just 5 Infections Responsible For More Than 2 Million New Cancer Cases Annually
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Just 5 Infections Responsible For More Than 2 Million New Cancer Cases Annually

(Kateryna Kon/Science Photo Library RF/Getty Images) This is astounding.ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.