Nasa's Mars rover Perseverance completes rock depot
Air pollution increases across the country
Air pollution going up in Mumbai, India
Most of the public vehicles in the valley failed the pollution test
COP-27 begins in Egypt
Kilimanjaro's and Africa's last glaciers to go by 2050, says UN
Artemis: Nasa calls off new Moon rocket launch
Nasa ready to launch new era of Moon exploration
First Native American woman to travel to space
Number of foreign students studying MBBS in Nepal increases
NASA space telescope delivers spectacular pictures
Giant Lovell radio telescope at Jodrell Bank to become space light show