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Astronomy Jul 17, 2024

Exoplanet caught in 'hairpin turn' signals how high-mass gas giants form

Astronomers have discovered a planet that has the most oblong orbit ever found among transiting planets. The exoplanet's extreme circuit—which looks closer to a cucumber than a circle—follows one of the most drastically ...

Planetary Sciences Jul 16, 2024

Bennu asteroid samples unveiled

In a discreet vacuumed-packed container inside a FedEx box lies a piece of ancient history; extremely ancient history.

Astronomy Jul 16, 2024

Astronomers discover what may be 21 neutron stars orbiting sun-like stars

Most stars in our universe come in pairs. While our own sun is a loner, many stars like our sun orbit similar stars, while a host of other exotic pairings between stars and cosmic orbs pepper the universe. Black holes, for ...

Plants & Animals Jul 16, 2024

The salmon diaries: Life before and after Klamath Dam removal

When salmon return from the ocean to the Klamath River after the world's largest dam removal project ends this fall, they will regain access to 400 miles of historical spawning habitat their species has been cut off from ...

Planetary Sciences Jul 16, 2024

Not just space rocks: Six things we've learned about Earth from meteorites and comets

Apart from the sun, its planets and their moons, our solar system has vast amounts of space rocks—fragments left over from the formation of the inner planets.

Astronomy Jul 16, 2024

Garden-sprinkler-like jet spotted shooting out of neutron star

A strange 'garden sprinkler-like' jet coming from a neutron star has been pictured for the first time.

Planetary Sciences Jul 16, 2024

New ultra-hot Neptune-sized exoplanet discovered

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected a new exoplanet. The newfound alien world, designated TOI-3261b, is nearly the size of Neptune and its equilibrium ...

Astronomy Jul 16, 2024

Comet Tsuchinshan showing signs of breaking up prior to swinging around the sun

Zdenek Sekanina, an astronomer with La Canada Flintridge in the U.S., reports what he describes as evidence of a possible breakup of comet Tsuchinshan prior to swinging around the sun. Sekanina specializes in comet behavior, ...

Astronomy Jul 15, 2024

Observatory gears up to detect thousands of elusive brown dwarfs, unlocking Milky Way mysteries

One could argue that brown dwarfs don't get the love they deserve. Sometimes referred to as "failed stars," they don't have enough mass to sustain nuclear fusion, which powers all stars, including our sun. But they are also ...

Environment Jul 15, 2024

Q&A: What past environmental success can teach us about solving the climate crisis

Susan Solomon, MIT professor of Earth, atmospheric, and planetary sciences (EAPS) and of chemistry, played a critical role in understanding how a class of chemicals known as chlorofluorocarbons were creating a hole in the ...

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