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The image that started it all... This photo shows the moment interstellar comet 3I/ATLAS was discovered
How long it takes light from the Sun to reach Earth
The answer is either 8 minutes 20 seconds or thousands of years, depending on how you look at it!
How Earth's orbit affects our view of the night sky
The stars and constellations appear to move throughout the year. But it's not the stars that are moving - it's us.
Seeing a 'ghost' Moon in your photos? Here's why, and how to fix it
Why do images of the Moon at night sometimes contain an extra 'ghost' Moon off to one side?
How exoplanets changed the prospect of finding life beyond Earth
Patrick Moore discusses the allure of exoplanets, and how their discovery shifted the goalposts in the search for life beyond Earth.
From Galileo to Hubble, these are six of the greatest, most famous telescopes in history
Patrick Moore's pick of the telescopes that, in their time, reigned supreme and led to ‘quantum leaps’ in science.
Why Venus is called the morning star or the evening star
Why is Venus either visible at sunset or sunrise? It has to do with the planet's orbit, relative to both the Sun and Earth.
Best constellations in the night sky, season-by-season
Our guide to the best northern hemisphere constellations to see during spring, summer, autumn and winter, and deep-sky objects to explore within.
Why Earth has seasons, and what causes them
How does Earth's orbit around the Sun cause the changes from spring to summer to autumn to winter?
Autumn's best meteor showers
Our pick of the best meteor showers to see from October to December.
The autumn equinox is approaching. Here's when it is, and what it means
When is the equinox in 2025, and what does September equinox mean for stargazers?
Observing guide | Best autumn constellations
The darker months are a great time to get out and get stargazing. Get to know the brighter, recognisable constellations that are visible in the autumnal night sky.
Observing guide | 10 autumn binocular astronomy targets
You can see a lot in the night sky with a pair of binoculars. Here are 10 of the best bino targets in Autumn.
An astronomer's tour of autumn and winter targets
Autumn and winter provide great viewing conditions and there is a wealth of objects to observe. Here are some of the best astronomical targets.
Five beautiful galaxies to see in the night sky this autumn. How many can you tick off the list?
In one of Patrick Moore's columns for BBC Sky at Night Magazine, the late astronomer and broadcaster reveals his favourite galaxies to spot in autumn's night skies.
The best autumn stargazing targets
Autumn means longer, darker nights, perfect for stargazing.
Autumn astronomy | The best targets for longer nights
As nights get longer, these are the top night-sky highlights of autumn and how to see them.
This star's jet is 8 lightyears long, perched on the edge of our Galaxy, and could help settle a big scientific debate
The StellaMira 86mm ED is a dedicated astrophoto telescope. We tested it out on galaxies and star clusters
Pin-sharp stars, rock-solid build and easy imaging – we’re impressed
NASA detects potential signatures of life hidden in Mars rocks
NASA rover finds evidence of ancient life on Mars. Here's what it means
Where are all the black holes? There may be 100 million lone black holes in our Galaxy. Scientists have a plan to find them
Saturn's rings have rainbows, and astronomers may finally have worked out what's causing them
Water-ice spouting from moon Enceladus is creating peculiar striped bands of light in Saturn’s E ring
Is teleportation possible? This is what the science says
Could human teleportation, as seen in Star Trek, ever be achieved?
