Since Hubble’s launch, astronomers have discovered over 1 trillion galaxies, but Andromeda stands out as the closest and most ...

From vivid nebulae to a comprehensive view of our evolving universe, check out these 7 amazing deep-field images captured by ...

On the Webb telescope, 18 hexagonal mirrors combine to form a massive primary mirror that is 21 feet (6.5 meters) across. The ...

You shouldn't set your expectations too high, but it will give you enough of a taste to see whether you want to invest in ...

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...

Quadruple Saturn's Moon: The quadruple Saturn moon transit was a rare event captured by the Hubble Space Telescope on February 24, 2009. The event occurred when four of Saturn's moons passed in front ...

Photographing the Andromeda Galaxy was a Herculean task that required ten years, around 1,000 orbits of the Hubble Space Telescope ... diameter of the full Moon in the night sky.

NASA’s Chandra finds black holes recycle gas, ensuring a constant fuel supply. Their outbursts cool matter, triggering a ...

The success of SpaceX and other private-sector space firms is throwing up hard questions about America's "great national ...