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We usually think of satellites as small objects orbiting planets or stars. But in the broader universe, galaxies themselves can have satellites—smaller galaxies bound by gravity that orbit a larger

Rich with detail, the spiral galaxy NGC 1309 shines in this NASA/ESA Hubble Space Telescope image. NGC 1309 is about 100 million light-years away in the constellation Eridanus.

Black holes are massive, strange and incredibly powerful astronomical objects. Scientists know that supermassive black holes reside in the centers of most galaxies.

While NASA maintains the lead in human space exploration, other nations have already begun their own projects. Take the China National Space Agency, for example, with their CLEP, or Chinese

This image from the NASA/ESA/CSA James Webb Space Telescope revisits one of the most iconic regions of the sky, the Hubble Ultra Deep Field, through the eyes of two of

Tucked inside President Donald Trump’s flagship tax and spending bill last month was a little-noticed provision to relocate the iconic space shuttle Discovery from a museum outside Washington to Houston.

SpaceX delivered a fresh crew to the International Space Station on Saturday, making the trip in a quick 15 hours.

Astronauts sidelined for the past year by Boeing’s Starliner trouble blasted off to the International Space Station on Friday, getting a lift from SpaceX.

University of Warwick astronomers, in partnership with institutions in Spain, are showing how astronomy tools, that are usually used to study stars, can be repurposed as climate sensors, helping us

The next four humans in the parade of SpaceX launches from the Space Coast will have to wait at least another day for their trip to the International Space Station