ناسا تستعيد الاتصال بأبعد جسم من صنع البشر في الكون قبل تحقيقه إنجازا تاريخيا
فقدت وكالة ناسا مؤقتا الاتصال بمركبة
Science
Moon, Jupiter shine together over Saudi Arabia in a remarkable astronomical event
Moon, Jupiter shine together over Saudi Arabia in a remarkable astronomical event
Science
Maysan governorate tops Kingdom’s clean-air list
Maysan governorate tops Kingdom’s clean-air list
Science
Monarch Butterflies Get Tiny Trackers to Help Scientists Follow Their Mysterious Migration
As a child, Rebeca Quiñonez-Piñón wondered where monarch butterflies stop for a meal and a night's rest on their long migrations across North America. Now she and other scientists are attaching tiny tracking devices to hundreds of butterflies to find those critical stopover locations before they disappear.