Astronomy

Scientists Plan Private Mission to Hunt for Earths around Alpha Centauri

A privately funded telescope called Toliman will seek habitable worlds in our nearest neighboring star system, potentially sparking a new wave of exoplanetary exploration

Jonathan O'Callaghan

Space Exploration

U.S. Officials Condemn Russian Anti-Satellite Test That Threatened Astronauts

“The test has so far generated over 1,500 pieces of trackable orbital debris,” a State Department spokesperson said

Chelsea Gohd and SPACE.com

Cosmology

Galaxy Collisions Preview Milky Way’s Fate

New revelations about how galaxies collide show what might happen when our galaxy meets Andromeda

Aaron S. Evans and Lee Armus

Astronomy

The Milky Way Is Destined to Collide with Andromeda, and We Know What It Will Look Like

Solar superflares, emotion-detecting artificial intelligence, emerging technologies, and more in our December issue

Laura Helmuth

Planetary Science

Ancient Martian ‘Lake’ May Have Just Been Ephemeral Puddles

One study suggests the Curiosity rover’s landing site is not as it seems

Lee Billings