Astronomers Detect an Atmosphere on a Potentially Earth-Like World
A nearby rocky world with a confirmed atmosphere fuels fresh hopes for finding life beyond Earth.
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A nearby rocky world with a confirmed atmosphere fuels fresh hopes for finding life beyond Earth.
Astronomers report the potential detection of the first known exomoon orbiting a substellar companion outside our solar system.
The James Webb Space Telescope has captured imagery peering 4.4 billion years into the past, utilizing an Einstein-predicted phenomenon.
A near-Earth object misidentified as an asteroid for 28 years has been revealed as a 'dark comet.'
Scientists suggest a shattered asteroid near Jupiter's gravitational gateway may have bombarded Earth 800 million years ago.
Scientists have identified a rare class of 'oddball' meteorite responsible for the mass extinction of dinosaurs 66 million years ago.
A new theoretical model suggests dark matter may reside in a hidden fifth dimension, potentially explaining its elusiveness.
New analysis of gravitational waves confirms the existence of 'second-generation' black holes formed from previous mergers.
A long-lived radio outburst from a nearby black hole is providing scientists with a rare glimpse into the properties of the early universe.
Scientists and Chinese officials are detailing strategies to use nuclear blasts and early-warning networks to protect Earth from asteroid impacts.
A new catalog of 390 gravitational-wave events reveals evidence that some black holes are formed through previous mergers.
As the U.S. marks its 250th anniversary, scientists and historians are exploring the astronomical views witnessed by the Founding Fathers in 1776.