Search results for Planetary Systems

Environment Aug 12, 2024

'All of us urgently need to band together to pass a robust and just Earth to future generations,' says expert

An article in a special issue on The Planetary Future published in Environmental Policy and Law considers the Planetary Trust as an essential framework underlying today's kaleidoscopic world, reviews important developments ...

Astronomy Jul 30, 2024

DART mission sheds new light on target binary asteroid system

In studying data collected from NASA's DART (Double Asteroid Redirection Test) mission, which in 2022 sent a spacecraft to intentionally collide with the asteroid moonlet Dimorphos, the mission's science team has discovered ...

Planetary Sciences Jul 9, 2024

Age data show planetesimals provided building materials for water-rich planets in the early solar system

Age data for certain classes of meteorite have made it possible to gain new findings on the origin of small water-rich astronomical bodies in the early solar system. These so-called planetesimals continually supplied building ...

Astronomy Jun 27, 2024

The density difference of sub-Neptunes finally deciphered

An international team led by UNIGE, UNIBE and PlanetS has shown the existence of two distinct populations of sub-Neptunes, resolving a debate in the scientific community.

Planetary Sciences Jun 24, 2024

Astronomers find three potential super-Earths around nearby star

Astronomers have discovered three potential "super-Earth" exoplanets orbiting a relatively nearby orange dwarf star. This groundbreaking find was made by an international team of researchers led by Dr. Shweta Dalal from the ...

Planetary Sciences Jun 17, 2024

Study of meteorite 'Northwest Africa 14250' reveals composition of the early solar system

A multi-institutional team of planetary scientists has learned more about the early composition of the solar system by studying a meteorite named Northwest Africa 14250. In their study, published in the journal Science Advances, ...

Astronomy Jun 10, 2024

Webb Telescope reveals asteroid collision in neighboring star system

Astronomers have captured what appears to be a snapshot of a massive collision of giant asteroids in Beta Pictoris, a neighboring star system known for its early age and tumultuous planet-forming activity.

Astronomy Jun 4, 2024

Suppressing starlight: How to find other Earths

One underappreciated aspect of the current flood of exoplanet discoveries is the technical marvels that enable it. Scientists and engineers must capture and detect minute signals from stars and planets light years away. With ...

Environment May 30, 2024

Rapid urbanization in Africa transforms local food systems and threatens biodiversity, says study

Urbanization in Africa is accelerating quickly, showing no signs of slowing down. An international team of researchers addresses critical gaps in our understanding of how this urbanization affects local food and ecological ...

Astronomy May 25, 2024

Dyson spheres: Astronomers report potential candidates for alien structures, and evidence against their existence

There are three ways to look for evidence of alien technological civilizations. One is to look out for deliberate attempts by them to communicate their existence, for example, through radio broadcasts. Another is to look ...

page 35 from 40