قبل أن تنطفئ الشمس.. مليار عام يفصل الأرض عن بداية النهاية
تبدو الشمس مستقرة في سمائنا منذ آلاف السنين، لكن في أعماقها تجري تغيرات بطيئة ستقلب مصير الأرض والكواكب رأسا على عقب، قبل أن تصل إلى نهايتها البعيدة.
Science
Orionid Meteor Shower to peak this week, will light up Saudi skies
Orionid Meteor Shower to peak this week, will light up Saudi skies
Science
UN climate panel head wants swift end to deadlock over key scientific report
The world's top climate scientists will reconvene at the earliest opportunity, the panel's chair said on Monday, after member states failed to agree when to release its crucial new findings on global heating. The IPCC, a United Nations body, is the global authority on climate science. Its reports bring together the latest knowledge on climate change, its causes, potential impacts and options for responding.
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Indonesia fires burned over 1.9 mn hectares through September: monitor
Fires in Indonesia have devastated over 1.9 million hectares as of September, according to satellite monitoring. The figure is considered conservative due to challenges posed by haze.