discover v. /dɪˈskʌvə(r)/

Columbus discovered America in 1492.  

The scientist discovered a cure for the disease.

Scientists discovered a new species ofbird in the Amazon rainforest

The artist'swork was discovered and he became very famous overnight 

explore: v /ɪkˈsplɔː(r)/

The hikers explored the forest and found a beautiful waterfall.  

The astronauts will explore the surface of Mars to gather information.  

Thescientists explored the rain forest and discovered a new plant.

thediscovery of antibiotics in 20th century | the discovery of America

 New technology made space explorationpossible.