Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

In the meantime, there remains a chance to glimpse Gaia through a small telescope before its final retirement. Uwe Lammers, ...

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space ...

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

With images from the Hubble Space Telescope, we have new information here in the Milky Way about our closest neighboring ...

Astronomer Anura C. Perera led the world’s first-ever celebration of Earth’s ‘birthday’ on Jan 4, commemorating the day the planet reached its closest point to the Sun, known as Perihelion Day. The ...

Galactic nuclei images reveal how supermassive black holes interact with their surroundings using infrared telescopes.

Astronomers are sounding alarm bells as the world's most precious sky-observing location faces a light pollution risk due to ...

The instrument is the Prime Focus Spectrograph, and it is one of the flagship instruments in the next era of the Subaru ...

The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: The Universe is expanding faster than predicted by ...

Researchers believe that a supernova in our galaxy could reveal the secrets of dark matter by emitting detectable gamma rays from axions. This discovery would provide key insights into the elusive ...

Image of the supermassive black hole Sagittarius A* (Sgr A*). from the Event Horizon Telescope (EHT) collaboration "has uncovered strong and organised magnetic fields spiralling from its edge," ...