Space
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SpaceScientists Say: Multiverse
The multiverse is an idea that there are many universes out there, including the one we live in. Each universe has an alternate reality.
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SpaceR.I.P. Kepler, the planet-hunting telescope
It’s lights out for this spacecraft, after finding more than 2,700 exoplanets throughout our galaxy.
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SpaceOnly a small fraction of space has been searched for aliens
In their hunt for extraterrestrial intelligence, SETI searches have only scouted an area the equivalent of a hot tub out of Earth’s oceans, a new calculation indicates.
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SpaceThe movie ‘First Man’ captures early spaceflight’s terror
At a time when NASA is considering how to once again send people to the moon, ‘First Man’ is a sobering reminder of how risky the first giant leap was.
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SpaceHubble may have spotted a possible ‘exomoon’
The apparent moon would be the size of Neptune and orbit a distant gas-giant planet known as Kepler 1625b.
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SpaceCool Job: Making stellar connections
Astrophysicist Paula Jofré wants to find links between all the stars in our galaxy, the Milky Way.
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SpaceScientists Say: Yellow dwarf
Yellow dwarf is a term used for a medium-sized star. Our sun is a yellow dwarf.
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PhysicsDistant galaxy seems filled with dark matter
If the Cosmic Seagull is a repository for dark matter, it will be the most distant galaxy to be filled with mysterious stuff.
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EarthNine big stories you may have missed this summer
We hope you enjoyed time off from school this summer. But you may have missed some scientific developments, from mega-eruptions to Martian lakes.
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PlanetsJupiter has 12 more moons than we knew about — and one is a weirdo
Astronomers found a dozen previously unknown moons of Jupiter. One may be a remnant of a larger moon that was all but ground to dust.
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ClimateWhen the moon throws shade, the weather can change
Scientists have been puzzled about how a solar eclipse can impact weather. Here’s some of what they learned during the August 2017 event.
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PlanetsNew Horizons data reveal first global maps of Pluto and Charon
Astronomers have made new charts of Pluto and its moon Charon. They show high peaks, deep depressions and strange ridges.