What do early Earth's core formation and drip coffee have in common?

Fragments of ‘Valentine’s fireball’ meteorite fall in southern Italy

In 1960 renowned Australian physicist Ronald Bracewell speculated that alien societies may have already sent robot probes to our Solar System. He inspired sci-fi authors — but not serious research. Now, with NASA and The Pentagon taking UAPs seriously, it may be time to dust off Bracewell's ideas.

South Korea Joins Space Race in Tech Drive as Russia’s Isolation Deepens Over War in Ukraine