China eyes first kinetic impact test for asteroid defense, targeting smaller and less predictable asteroids than NASA’s DART

China is studying an on-orbit kinetic impact test mission for planetary defense that would target a small near-Earth asteroid ...
Phys.org

New study suggests how wide-orbit planets form, supporting existence of Planet Nine

In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and planetary masses silently orbit their stars—sometimes thousands of astronomical ...
SpaceNews

First Measurement Of Spin-orbit Alignment On Planet Beta Pictoris b

Astronomers have made the first measurement of spin-orbit alignment for a distant ‘super-Jupiter’ planet, demonstrating a technique that could enable breakthroughs in the quest to understand how ...
Morning Overview on MSN

New orbits in the outer solar system are quietly undercutting the case for Planet Nine

A newly discovered object orbiting far beyond Neptune has its closest approach to the Sun pointed in the opposite direction from every other known body like it, weakening one of the central ...
SpaceNews

Does This Exoplanet Have A Sibling Sharing The Same Orbit?

Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have found the possible ‘sibling’ of a planet orbiting a distant star. The team has detected a cloud of debris that might be ...