An unusual x-ray signal from the Helix Nebula, first detected in 19180, could stem from a star destroying a nearby planet. Credit: NASA/CXC/A. Hobart ...

The Andromeda Galaxy, located 2.5 million light years away, has fascinated observers for centuries. Once believed to be part of the Milky Way, everything changed in 1923 when Edwin Hubble identified ...

We are entering a new era of cosmic exploration. The new Vera C Rubin Observatory in Chile will transform astronomy with its ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Messier 77, captured by Hubble, also known as the Squid Galaxy, is a swirling spiral 45 million light-years away in Cetus, the constellation named for a whale. It was discovered in 1780 by Pierre ...

Using NuSTAR and XMM-Newton satellites, astronomers from New York University (NYU) Abu Dhabi have observed a pulsar known as ...

Using NuSTAR and XMM-Newton satellites, astronomers from New York University (NYU) Abu Dhabi have observed a pulsar known as PSR J1930+1852 and its pulsar wind nebula (PWN). Results of the ...

Particular stars called Cepheid variables allow astronomers to determine distance, and Hubble spotted one of these within M31 ...

Astronomers have captured a stunning, detailed image of the nearby Sculptor galaxy, spanning an impressive 65,000 light years ...

This stunning 527-megapixel composite reveals both visible and infrared views of young stars, ionized gas, and dust filaments ...

These are the best star projectors on the market ahead of Amazon Prime Day, as there's something to suit all needs and budgets out there.

The spiral-ring binding and thicker paper (70 pounds or 105 gsm — the thickest of the notebook papers we tested) make page-turning much less of a nuisance than with other reporter notepads we ...