In a dramatic new finding, the ESA/NASA Solar Orbiter has captured a massive, spiraling jet of solar wind stretching over 1.2 million miles from the Sun’s surface—offering a rare, up-close look at the ...

BIELA'S COMET.—The great swarm of meteors through which the earth passed on the evening of November 27, 1872, and which were found to be moving in the orbit of Biela's comet, must have been descending ...

"It's like an aeon-old fridge, which will open during the next months to release some of its contents." New research investigates the possibility that different spacecraft could visit Comet 3I/ATLAS, ...

The article focuses on trajectory design to the trans-Neptunian object (90377) Sedna for launch in 2029-2034. Sedna is currently moving to the perihelion at a distance of around 74 au from the Sun.

WINNECKE'S COMET.—The only known comet of short period due at perihelion within the present year is that discovered by Winnecke in March, 1858, which was soon found to be identical with the third ...