NASA / ESA / AURA / Caltech
Cultures around the world call the Pleiades constellation ‘seven sisters’, even though we can only see six stars today. But things looked quite different 100,000 years ago
Ready to take your suborbital selfie?
When it comes to commercial space tourism, suborbital flight are the first frontier. But what are the risks? Are there health requirements? What should you know before taking such a way-out trip?
Betelguese is the red star in the top right quarter of the picture.
If Betelgeuse explodes, it will become as bright as the full moon in a matter of days and be visible during day time.
A detector buried under more than a mile of ice in Antarctica has detected a high-energy subatomic neutrino and traced it to its origin, a blazar – a gargantuan black hole more than a billion times more massive than the sun.
An unusual date that comes to us from the heavens.
Date image via shutterstock.com
We will get an ‘extra’ day this year, February 29. Where do these quadrennial liberties with our calendar originate?