This breathtaking Hubble image of spiral galaxy NGC 1309 reveals more than swirling stars and glowing dust—it holds a cosmic mystery.

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 ...

What can carbon dioxide (CO₂) on Saturn’s moons teach scientists about their formation and evolution? This is what a recent ...

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, ...

Stars are more colorful than you think! Patience will reveal them; head outside tonight to see summer’s multi-hued stars.

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

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.