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.

Adriano Anfuso/Vikas Chander The elliptical galaxy NGC 474 (lower right) contains multiple shell-like structures and tidal ...

Interstellar comet 3I/ATLAS confirmed as the third from beyond our solar Livestream of 3I/ATLAS hosted by Virtual Telescope ...

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...

The 2025 Buck Moon rises on July 10, in the southeast from about 10pm in the UK. July's full Moon is called the 'Buck Moon' ...

At the aphelion, the distance from the Earth’s center to the Sun’s center is going to be 152,087,738 kilometers (94,502,939 ...

Muscat: The skies of the Sultanate of Oman will show a unique annual astronomical phenomenon tomorrow as the sun reaches ...

Orbiting its star in an elliptical path at less than half the distance between Earth and the Sun, this exoplanet offers a ...

What's happening in the skies over North Texas this month? July holds some spectacular sights in the night and morning sky.