NASA's Perseverance rover has encountered another rock on Mars that has left scientists puzzled.

A strange swirl in the sky seen over much of Britain and Europe this week wasn’t the result of alien activity but rather a ...

A stunning blue and white spiral spotted in skies across Europe late Monday was created by frozen fuel tumbling from a SpaceX ...

A fuel dump by a SpaceX rocket caused a spectacular blue spiral above Western Europe on Monday, March 24. Here are the best ...