"The natural question that comes up is: how many more space telescopes will be affected when all these constellations are ...

Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Astronomer using Hubble discovers "young stars that are spiraling into the center of a massive cluster of stars in the Small ...

With construction complete, the telescope will now move into final testing. Following testing, Roman will be packaged and ...

According to NASA, Hubble took its latest photo of 3I/ATLAS on November 30 using its Wide Field Camera 3 instrument. At that ...

Light pollution from the exploding number of satellites orbiting Earth is making it harder to peer into space.

More than half a million satellites are planned to launch by the end of the 2030s, and simulations suggest they will have a severe impact on space-based astronomy ...

James Webb Space Telescope confirms the first runaway supermassive black hole in the Cosmic Owl galaxy, observing its tail and bow shock, providing direct evidence of black hole ejection during galaxy ...

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...

Edwin Hubble, born November 20, 1889, made seminal observations in 1923 of the Andromeda Galaxy and a Cepheid variable, which significantly broadened the understanding of other galaxies and the ...