The strange sight is actually two galaxies, with the light of the second warped around the one at the front as a result of ...

The James Webb Space Telescope photographs a rare Einstein ring, a cosmic deception formed by gravitational lensing, giving ...

One moment occurred in 1984 when NASA astronaut Bruce McCandless II became the first human to spacewalk or float free from ...

We were looking for poetry that had struck its readers, for whatever reasons, as unforgettable, enduring, and influential: ...

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