A new report says at least 112 North American bird species have lost more than half their populations in the past 50 years.

But they've been elusive in the distant early universe — until now — because of the obscuring cosmic microwave background left ... Gloudemans of the National Science Foundation's NoirLab ...

Peacock's 'Long Bright River,' which premieres Thursday, employed many actors, consultants and artists with ties to Philadelphia to capture the story's Kensington setting. Above, the show's stars ...

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, Mercury will join the fun, with all seven of our planetary neighbors visible ...

The almost perfect alignment of NGC 6505 and the background galaxy has bent and magnified the light from the background galaxy into a spectacular ring. This rare phenomenon was first theorised to ...

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