Search results for Planetary Systems

Astronomy Nov 24, 2025

Second exoplanet discovered in the TOI-1422 system

European astronomers report the discovery of a second alien world in the TOI-1422 planetary system located some 500 light years away. The newfound exoplanet, which received designation TOI-1422 c, is nearly three times larger ...

Environment Nov 10, 2025

Novel climate biostress model and sentinel system seek to track global climate impacts

An interdisciplinary team of scientists at the Advanced Science Research Center at the CUNY Graduate Center (CUNY ASRC) has unveiled a conceptual model and integrative monitoring framework designed to reveal how climate change ...

Planetary Sciences Nov 5, 2025

Astronomers reveal tasty insights into exoplanet formation using SPAM

Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have taken the closest-ever look at the dusty regions where planets form, offering new insight into the earliest stages of planetary birth.

Environment Oct 29, 2025

Climate inaction linked to millions of preventable deaths each year, study finds

Climate change is ravaging the health of people around the world and policy failures are leading to "millions" of avoidable deaths each year, an international team of experts said Wednesday.

Astronomy Oct 24, 2025

Three Earth-sized planets discovered in a compact binary system

An international team of researchers has just revealed the existence of three Earth-sized planets in the binary stellar system TOI-2267 located about 190 light-years away. This discovery, published in Astronomy & Astrophysics, ...

Astronomy Oct 22, 2025

3 billion-year-old white dwarf still consuming its planetary system challenges previous assumptions

In approximately 5 billion years, the sun will deplete its hydrogen fuel and collapse under its own gravity, becoming a white dwarf. Though Earth-sized, this dense remnant will retain much of the sun's gravitational influence.

Astrobiology Oct 15, 2025

First-ever detection of 'heavy water' in a planet-forming disk

The discovery of ancient water in a planet-forming disk reveals that some of the water found in comets—and maybe even Earth—is older than the disk's star itself, offering breakthrough insights into the history of water in ...

Planetary Sciences Oct 6, 2025

How to discover a planet

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor and his Ph.D. student ...

Astrobiology Oct 6, 2025

New research suggests red dwarf systems are unlikely to have advanced civilizations

The Copernican Principle, named in honor of Nicolaus Copernicus (who proposed the heliocentric model of the universe), states that Earth and humans do not occupy a special or privileged place in the universe. In cosmological ...

Economics & Business Oct 1, 2025

As global economy doubles, poverty persists and planetary damage deepens

A new study published in Nature shows that as the global economy more than doubled between 2000 and 2022, it still left billions of people without life's essentials, while rapidly pushing Earth's life-supporting systems further ...

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