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

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

The universe’s expansion rate was supposed to be a solved problem, yet the latest high precision map of the early cosmos has ...

Keck Observatory reports that spectroscopy from its Keck Cosmic Web Imager, combined with data from NASA’s James Webb and ...

​Interstellar comet 3I/ATLAS is in the news again after NASA shared a new picture taken by the Hubble Space Telescopeon ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

Hubble images of interstellar object 3I/ATLAS reveal a sunward anti-tail, showing a teardrop-shaped coma with separated ...

Proliferating satellites are beginning to harm the science work of the beloved Hubble Space Telescope and other observatories ...

"It means cleaning house, narrowing the viable paths forward, and no longer spending energy on what are evidently dead ends." ...

Fleets of satellites interfere with snapshots taken by Earth-bound observatories. But a new study suggests these orbiters ...

Due to the costs and duration of the Hubble project, NASA was under pressure. At the end of 1995, it released a photo that ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...