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Astronomy Jan 2, 2026

Astronomers measure both mass and distance of a rogue planet for the first time

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets seem to have been knocked out of their orbits, floating through space free of any particular gravitational ...

Space Exploration Dec 29, 2025

The moon and sun figure big in the new year's lineup of cosmic wonders

The moon and sun share top billing in 2026.

Astrobiology Dec 17, 2025

Why most exoplanets are magma worlds

In astronomy, there is a concept called "degeneracy." It has nothing to do with delinquent people, but instead is used to describe data that could be interpreted multiple ways. In some cases, that interpretation is translated ...

Planetary Sciences Dec 15, 2025

Forget stardust—it was star ice all along

Carl Sagan famously said that "We're all made of star stuff." But he didn't elaborate on how that actually happened. Yes, many of the molecules in our bodies could only have been created in massive supernovae explosions—hence ...

Planetary Sciences Dec 15, 2025

Did a rogue planet reshape our solar system?

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact configuration and later underwent a violent reshuffling that scattered them to their current positions. ...

Other Dec 13, 2025

Saturday Citations: Nice people are happier; Uranus may not be icy; SIM farm reporting

This week, researchers identified signaling pathways underpinning drug resistance in pancreatic cancer, a normally lethal diagnosis. A physicist proposed that conscious states in the brain may arise from the brain's ability ...

Archaeology Dec 10, 2025

New study reveals Industrial Revolution's uneven health impacts across England

An interdisciplinary team of scientists has uncovered new evidence showing that the health impacts of the Industrial Revolution varied more widely across England than previously believed.

Planetary Sciences Dec 10, 2025

Uranus and Neptune might be rock giants

A team of researchers from the University of Zurich and the NCCR PlanetS is challenging our understanding of the solar system planets' interior. The composition of Uranus and Neptune, the two outermost planets, might be more ...

Astronomy Dec 8, 2025

Webb reveals double helium tails escaping from a 'hot Jupiter'

For the first time, scientists have continuously monitored a planet's escaping atmosphere over a complete orbit, revealing that the gas giant WASP-121 b is surrounded by not one but two massive helium tails stretching more ...

Space Exploration Dec 4, 2025

A blueprint for visiting an interstellar comet

Sometime in 2029, the European Space Agency is scheduled to launch its Comet Interceptor Mission. The Interceptor will wait for a long-period comet to arrive in the inner solar system then set off on a trajectory to rendezvous ...

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