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Astronomy Jul 16, 2026

Webb telescope discovers hidden planet in famous star system

Astronomers using NASA's James Webb Space Telescope have discovered a giant planet outside our solar system, called an exoplanet, hiding within one of the most intensely studied planetary systems in the Milky Way galaxy.

Astronomy Jul 13, 2026

Distant exoplanets may be hiding water beyond Webb Telescope's reach, study finds

The planets that appear most common in the universe could have a lot of water—but it could be hiding where telescopes can't detect it, according to a new study led by scientists with the University of Chicago.

Astronomy Jul 10, 2026

Astronomers reveal how clouds shape the hidden interiors of the galaxy's most common planets

Sub-Neptunes are the most common type of planet in our galaxy. Bigger than Earth but smaller than Neptune, these worlds remain deeply mysterious because scientists still do not know what they are made of. What astronomers ...

Space Exploration Jul 1, 2026

Nautilus array to track missing exoplanet atmospheres

Exoplanet atmospheres have become prime targets for astrobiologists in the search for life beyond Earth. This is because exoplanet surfaces can't be directly imaged yet, so astronomers must get creative in how they search ...

Planetary Sciences Jun 29, 2026

Giant exoplanet may hold a magnetic grip on its host star

Within their planetary systems, stars are continuously shaping their orbiting planets through gravity, radiation and magnetic forces. So far, this relationship has appeared to be a one-way street.

Planetary Sciences Jun 26, 2026

Uranus, Neptune may be magma worlds, not ice giants

Uranus and Neptune remain two of the most mysterious objects in the solar system, primarily because they have been visited only by NASA's Voyager 2 spacecraft in 1986 and 1989, respectively. Their "ice giant" moniker comes ...

Planetary Sciences Jun 24, 2026

Did gravitational tides cause Earth's extinctions?

Life on Earth took a long evolutionary journey that eventually created us, the purportedly intelligent species that dominates the planet. But there was no grand plan or design, only happenstance, nature and luck. Life on ...

Astronomy Jun 24, 2026

Euclid mission view of Milky Way's heart previews upcoming survey by NASA's Roman

A new look at the heart of our Milky Way galaxy by Euclid, an ESA (European Space Agency) mission with NASA contributions, overlaps with a region scientists will observe with NASA's Nancy Grace Roman Space Telescope, launching ...

Astronomy Jun 16, 2026

Asteroid or comet? Meteor or meteorite? How to identify and classify the rocks you see streaking through the sky

Have you ever been out at night and seen a streak of light blast across the sky and disappear? Ever wonder where that shooting star came from, or how it got to be in your sky?

Astronomy Jun 15, 2026

Lithium spike reveals sun-like star likely swallowed its planet

A team of astronomers, led by Brooke Kotten of the University of Michigan, has shown that TOI-5882—a sunlike star located some 1,300 light-years away—has likely eaten one of its planets.

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