Search results for Planetary Systems

Environment Apr 23, 2025

Q&A: A systems approach to saving the planet

By day, Chris Boone leads the USC Price School of Public Policy as dean. By night, he captures the wonders of the cosmos through astrophotography. An expert in urban sustainability and environmental justice, Boone sees cities ...

Environment Apr 23, 2025

Q&A: Why planetary health is the first step to a sustainable future

Andrew Lakoff studies how experts—in areas from public health to the environment to security—generate knowledge about and plan for an uncertain future. Trained as an anthropologist of science and medicine, Lakoff is a professor ...

Astronomy Apr 23, 2025

Why Webb may never be able to find evidence of life on another world

The exoplanet K2-18b is generating headlines because researchers announced what could be evidence of life on the planet. The JWST detected a pair of atmospheric chemicals that on Earth are produced by living organisms. The ...

Planetary Sciences Apr 14, 2025

New sub-Neptune exoplanet orbiting nearby star detected

Using the radial velocity method, an international team of astronomers has discovered a new extrasolar planet orbiting a nearby star known as GI 410. The newfound alien world was classified as a sub-Neptune exoplanet with ...

Astronomy Apr 9, 2025

Where to find the next Earth: Machine learning accelerates the search for habitable planets

A team from the University of Bern and the National Center of Competence in Research (NCCR) PlanetS has developed a machine-learning model that predicts potential planetary systems with Earth-like planets. The model could ...

Earth Sciences Apr 8, 2025

Life recovered rapidly at site of dino-killing asteroid. A hydrothermal system may have helped

About 66 million years ago, an asteroid slammed into the planet, wiping out all non-avian dinosaurs and about 70% of all marine species.

Planetary Sciences Mar 27, 2025

Atmospheres of new planets might have unexpected mixtures of hydrogen and water

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't react chemically with each other. But what if some of them do?

Astronomy Mar 14, 2025

TOI-1453 c: A key sub-Neptune discovered in a system of two exoplanets

Astrophysicists have once again enriched our knowledge of the cosmos with a new discovery: two small planets orbiting TOI-1453. Located at around 250 light years from Earth in the Draco constellation, this star is part of ...

Space Exploration Mar 13, 2025

NASA's PUNCH satellites successfully launch to study the solar wind

Following a successful launch in the early hours of Wednesday morning (12 March 2025) U.K. time, the PUNCH spacecraft are poised to begin their two-year mission to study the sun's outer atmosphere and its transformation into ...

Astronomy Mar 10, 2025

JWST explores enigmatic mid-infrared rings in planetary nebula NGC 1514

Using the James Webb Space Telescope (JWST), astronomers have observed enigmatic rings in the planetary nebula NGC 1514, visible in the mid-infrared band. Results of the new observations, published Feb. 28 on the arXiv pre-print ...

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