By 3.6 billion years ago, Mars should have become too cold for liquid water, but something kept the rivers flowing.
Insulation provided by carbon dioxide ice above the martian polar caps could explain many of the Red Planet’s ancient river features.
Astrology and astronomy – the words sound so similar. So why do you get such a stink-eye from your friend the astronomer when you call her an astrologer?
William Dalrymple gives us a near-complete idea of how central India was to everything that happened in the ancient world ...
Easter Island is home to more than 900 giant Moai, with more still being discovered. The statues average about twice the ...
The classic question, “What came first, the egg or the chicken?” has intrigued philosophers and scientists for centuries. A ...
From dots and dashes on cave walls to maps of ocean tides and then the earliest graphs, see how we’ve been visualising data ...
Alexander the Great is one of the legendary conquerors of ancient history who sparked the imagination of generations of ...
These efforts contribute to a deeper understanding of ancient technologies and their applications in astronomy and ...
An ancient black hole near the galactic center is consuming matter at over 40 times the theoretical limit, raising questions ...
You've seen it in the movies. Contact with aliens often ends badly for humans. So why do we keep trying to get in touch with them? We don't even know if aliens really exist. But if aliens do exist, ...
Despite its relative weakness, researchers believe it was sufficient to affect the formation of bodies at distances more than seven times the Earth-Sun distance. That includes Jupiter, Saturn, Uranus, ...