With the Webb telescope’s unprecedented sensitivity, scientists are learning more about dark matter’s influence on stars, galaxies, and even planets
Delays and cancellations persisted, a day after more than 11,000 flights were canceled. Airports in the Northeast U.S. were hit
Spanish rail authorities have temporarily reduced the speed limit on part of the high-speed line between Madrid and Barcelona after
WARSAW, Poland — Estonia is gearing up to acquire a missile defense system, participating in broader efforts by the Baltic
One of astronomy’s longest standing puzzles has been understanding how black holes grew so large in such a short span
France is on course to follow Australia in banning social media to younger teenagers, as debate on a new law
The recovery of Master Sgt. Ran Gvili’s body paves the way for the next stage of the Gaza cease-fire plan,
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At least four people have been killed after a fire broke out at a food factory near the central Greek
Ukrainian and Russian officials left rare direct talks last weekend in a somewhat optimistic mood. But Russia may be simply