NASA’s Mars Reconnaissance Orbiter (MRO) has been flying our the red planet for the last 20 years, beaming back images of its ...

The next-gen Nancy Grace Roman Space Telescope is slated to explore vast cosmic voids to uncover the hidden forces shaping ...

Interstellar comet 3I/ATLAS has gone from a faint outsider to one of the most closely watched visitors in the Solar System, ...

This week, Earth will get its best chance to steady an interstellar comet as it makes its closest approach to the planet.

Travel back 390 million years after the big bang to the ancient Maisie's Galaxy in this stunning 3D visualization that ...

Pulsars emit a lot of radiation, in particular high-energy gamma-rays and radio waves pulses. That light is invisible to JWST ...

The ash plume disrupted flights as far away as India.

The closer to Earth a satellite flies, the clearer a picture it can take of the surface. But low-flying satellites also have ...

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This week marks the last chance for backyard astronomers to see interstellar Comet 3I/ATLAS before it races on its journey ...

At perigee – that's the closest point in its trajectory to Earth – 3I/ATLAS will be around 270 million kilometers (168 ...

Know when Comet 3I/ATLAS makes its closest approach to Earth and how to watch this rare event. Learn why astronomers are ...