Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on ...

Time is running short for scientists hoping to collect data from 3I/Atlas, a massive interstellar object hurtling away from ...

Final tests of NASA's laser beam communication technology suggests we'll soon have a new way to keep in touch with astronauts and spacecraft venturing into deep space.

Back in July, NASA's ATLAS telescope in Chile spotted a mysterious space object moving at break-neck speeds towards our ...

At the edge of the heliosphere, the solar wind runs up against the interstellar medium, the gas, dust, and radiation in the ...

When you get the chance to go on vacation, take it by October 29, because you never know what may come. That was Harvard ...

Astronomers observed the fading light of supernova SN 2025kg, which followed the fast X-ray transient (FXT) named EP 250108a.

Unlike optical telescopes, ALMA observes in the millimeter/submillimeter range, between infrared and longer radio waves.

In 1977, astronomer Jerry Ehman discovered the mysterious “Wow! Signal” — a powerful radio burst from deep space at the hydrogen line frequency. Nearly five decades later, scientists believe the newly ...

Aug. 27 (UPI) --The European Space Agency's Jupiter Icy Moons Explorer is ready for a planned flyby of Venus on Sunday after the agency fixed its communications system. ESA officials commonly refer to ...

A new project is collecting thousands of messages destined for the cosmos, coinciding with the anniversary of a landmark ...