We've known the universe is expanding for a long time. The first solid paper demonstrating cosmic expansion was published by Edwin Hubble in 1929, based on observations made by Vesto Slipher ...

ESA's Euclid mission is exploring the "dark universe." The space telescope's latest images offer fascinating new insights.

The composite image of NGC 1275, or Perseus A, reveals its dynamic structure by blending optical, radio, and X-ray data. Cygnus X-1, about 10,000 light-years away, is a powerful black hole pulling ...

The James Webb «Space Telescope» took a picture of a gravitational lens with a very unusual shape that creates the effect of an Einstein ring. The European Space Agency (ESA) has named this lens the ...

The NASA James Webb Space Telescope captured a stunning image of an Einstein ring, an optical phenomenon created by ...

NGC 4941 dazzles in a new Hubble image, showcasing star-forming regions and a supermassive black hole that dramatically ...

The European Space Agency has released the first batch of large-scale images from the Euclid space telescope, which astronomers have already used to find hundreds of strong gravitational lenses ...

The James Webb Space Telescope photographs a rare Einstein ring, a cosmic deception formed by gravitational lensing, giving ...

NASA’s James Webb Space Telescope has uncovered the Firefly Sparkle galaxy, a young cosmic entity that may resemble the Milky ...

The Hubble finding is crucial support for a KBO formation theory, in which three small rocky bodies would not be the result of a collision in a busy Kuiper Belt, but instead form as a trio ...