A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet shrouded in a thick, hot atmosphere. TOI-270 d is ...

Archeologists in Spain have recently uncovered an ancient rock slab with an alphabet inscribed that predates the Rosetta Stone by roughly ... 27 signs and is the only complete one we know to ...

A stunning discovery was made by archaeologists in Spain when they found an ancient rock slab which was roughly 400 years old ...