Astronomers have spent years searching for a possible hidden giant planet far beyond Neptune. Unusual orbits among distant Kuiper Belt objects have fueled the Planet Nine theory, but recent ...

Encryption systems rely on “random” numbers, but conventional computers can’t generate them perfectly. New research shows that quantum physics can. By Alexander Nazaryan Researchers in Switzerland ...

A rare celestial event will feature Venus, Jupiter, and Mercury appearing close together in the June sky. Venus and Jupiter will first appear together in a conjunction starting Tuesday, June 9.

Planet Labs delivered strong 42% revenue growth and a $900M+ backlog, but profitability remains distant, with widening losses and margin compression. PL's forward guidance disappointed: FY revenue of ...

Called an " inferior planet " because its orbit is nearer to the sun than the Earth's, Mercury –scarcely more than half as far from the sun as Venus is — always appears from our vantage point to be in ...