Pulsars are rapidly rotating neutron stars and some of them are know to have a "glitch", and astronomers have captured one as it hapened.
When NASA first started planning the Kepler mission, no one knew if the universe held any planets outside our solar system. Thousands of exoplanets later, the search enters a new phase.
A couple thousand satellites are orbiting Earth right now. Under the right conditions, your naked eye can spot these human-made objects in the night sky.
Understanding the past requires knowledge that goes beyond modern science.
'Ridge A' sits at the peak of the Antarctic ice sheet and has exceptionally cold, dry, thin and dark skies.
Signals from the first stars to form in the universe have been picked up by a table-sized detector in a west Australian desert. The find also hints at an early interaction with dark matter.
Through abstraction, the underlying essence of a mathematical concept can be extracted.
On a clear night you can see thousands of stars in the night sky, and there are billions more in our galaxy alone. But are the official star names really up for sale?
Black holes may come in many sizes, but there's still a gap in the middle. The hunt is on to solve the mystery of where are the intermediate size black holes.
Bigger galaxies tend to dominate the smaller, when the two collide. But the pending battle between our Milky Way and the Andromeda galaxy might be a much fairer fight than we previously thought.
When and where you see the Moon in the daytime depends on what phase it is in.
There are plenty of astronomical things to watch out for this year beyond this week's lunar eclipse, including new Moon landings and a space station falling back to Earth.
Studying lunar eclipse could help us work out what's happening on exoplanets.
There is plenty of excitement about the lunar eclipse this week, but don't believe all you read and hear about this wonderful astronomical event.
From blindingly bright and burning hot to pleasantly 'candle-lit', the first years of the universe would have been spectacular to see.
A bunch of uncommon things all happening at the same time mean this full moon will have some special attributes.
The galaxies, stars and planets in our universe can look very different when you view them through equipment that sees beyond the visible light our eyes can see.
Four star names from Aboriginal Australia have been recognised by the International Astronomical Union. So what are they and where to find them?
Your guide to some of the best meteor showers for 2018. Where to look and when in both the northern and southern skies to catch nature's fireworks.
Scientists looking for signs of alien life from the mystery object passing through our Solar system say they've found nothing "so far".