Physics

Why are sunsets so pretty in winter? There’s a simple explanation
If you live in the southern hemisphere and have been stopped in your tracks by a recent sunset, you may have noticed they seem more vibrant lately.

I heard there's an aurora coming. How do I check?
Few sights in the night sky are as awe-inspiring as aurora. The vibrant dancing lights – usually seen close to the planet’s poles – are produced by a wind of charged particles streaming from the Sun into Earth’s atmosphere. The resulting disturbances are called geomagnetic storms.

Why are auroras so hard to predict? And when can we expect more?
On Saturday evening before Mother’s Day, Australians witnessed a rare celestial spectacle: a breathtaking display of aurora australis, also known as the southern lights.
