The awe-inspiring distances of the cosmos are hard to visualise, so how can we be certain we are measuring them correctly?

YOUNGSTOWN, Ohio (WKBN) – If you have thought that the Earth is close to the sun in the summertime and that is why it is ...

Discover why Earth's farthest distance from the sun coincides with summer heat, then grab your binoculars for a week of ...

Folks, it's official: the object that astronomers recently spotted blowing through the outer solar system came from ...

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

If we're to land humans on Mars in the coming decades, we'll have to know what challenges await them when they get there.

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

An interstellar object called 3I/ATLAS is now moving through our solar system, the third one we've seen in the last eight ...

There's something neat that happens when the full moon is closer to the horizon, and we call it the "moon illusion." ...

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.

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...