上海牵花坊GYC
After Trump’s visit, Saudi Arabia hopes to reinforce its influence in the region, against Iran
US President Donald Trump’s visit to Saudi Arabia and his “Islam speech”, delivered at the Arab-Isla...
Kepler Mission has released its catalogue of exoplanets, but what have we learnt about these worlds?
On Monday June 19, NASA held a media briefing to announce the completed catalogue of exoplanets from...