The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

A team using the NASA/ESA Hubble Space Telescope has uncovered a new type of astronomical object—a starless, gas-rich, ...

Abstract: To address the problem of high complexity of channel estimation for orthogonal time frequency space (OTFS) systems, we propose a low complexity channel estimation method leveraging the ...

In 2020, the European Space Agency signed a contract with Swiss start-up ClearSpace SA to "purchase a unique service: the first-ever removal of an item of space debris from orbit," according to ESA.

Section 1. Purpose. Superiority in space is a measure of national vision and willpower, and the technologies Americans develop to achieve it contribute substantially to the Nation’s strength, security ...

The best JWST images capture a universe far older, brighter, and more dynamic than anything seen before. Through powerful infrared eyes, the James Webb Space Telescope reveals structures from ...

But here, he is pulled into a force, and the distorted space suggests he’s traveling beyond known dimensions. He finds himself in an eerily artificial room, where he sees an older version of himself, ...