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

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

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

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 ...

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

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 ...

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

More than half a million satellites are planned to launch by the end of the 2030s, and simulations suggest they will have a ...

Light from the half a million satellites that humanity is planning to launch into Earth's orbit in the coming years could ...

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