It is only the third such object to have been identified as having an interstellar origin, which means it did not begin its ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

On July 2, 1985, the European Space Agency launched the Giotto space probe to get a close-up look at Halley's Comet. Nearly ...

News & Views Published: 10 July 2003 Planetary science Pluto's atmospheric surprise William Hubbard Nature 424, 137–138 (2003) Cite this article ...

Astronomers have spotted unusual molecular activity in the largest Oort Cloud comet, comet Bernardinelli-Bernstein (C/2014 ...

LD-bit / tlea Star 7 Code Issues Pull requests Orbit determination of OPS-SAT-1 based on Doppler shifts observations (M.Sc. thesis topic) cubesat kalman-filter radar-measurements orbit-determination ...

One simulation compared two comets—one with a 250-year orbit and one with a 4,000-year orbit. In both cases, the comets spent most of their time far beyond the big planets.

As of Friday morning, the Tianwen-2 probe had been operating smoothly in orbit for over eight days, reaching a distance of more than 3 million kilometers from Earth, according to the China ...