One of the driving forces behind the Hubble Space Telescope is sounding the alarm on president Donald Trump's disastrous ...

Many astronomers are growing increasingly concerned that these outdoor lighting from roads, buildings and elsewhere could ...

Some observatories that used to be dark and remote are now adjacent to bright urban centers. And sending all telescopes into ...

Footage from NASA/ESA Hubble Space Telescope that celebrates 35 years in space. Images of Mars, planetary nebula NGC 2899, ...

The comet 3I/ATLAS was discovered just as the Vera C. Rubin Observatory was gearing up to carry out its initial observations ...

The swirling spiral galaxy in this NASA/ESA Hubble Space Telescope image is NGC 3285B, which resides 137 million light-years ...

Supermassive black holes, sitting at the core of galaxies, are known to be active and emit a lot of X-rays. Finding one way ...

Using the Hubble Space Telescope (HST), astronomers have observed a nearby ultra-diffuse galaxy designated F8D1. The new ...

Early-career researchers’ access to neutron-beam instruments jumped from 61% to 78% at one Australian facility.

Astronomers may have found a rare intermediate-mass black hole outside galaxy NGC 6099—offering clues about how bigger black holes form.

The Hubble Space Telescope has made a groundbreaking discovery that could forever alter the way we understand the cosmos. For ...

Astronomers have caught a rare type of black hole in the act of devouring a star—an event that lit up the universe in X-rays.