New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

What creatures lurk in the pitch-black oceans of Challenger Deep? The deepest part of the Earth’s oceans is a portion of the ...

For example, Hubble’s observations revealed the existence of black hole vortices, the presence of dark matter, and the ...

We were amazed at this to-scale map we found on Tumblr depicting the Mariana Trench, the deepest part of the world's oceans. The trench is located in the Pacific Ocean near the Philippines.

Amphipods: Seven-inch-long crustaceans that look like shrimp were found in the deepest part of the trench, called Challenger Deep. Sea cucumbers: These relatives of starfish were recently found to ...