It remained prominent into the fall of 2024: a strong steam plume that remained visible from a nearby road on chilly mornings ...

People across Europe were pretty confused last night, after a giant blue swirl appeared in the sky, lasting several minutes.

A 2022 satellite photo shows a large plume of discolored water rising from the undersea Kavachi volcano, during an eruption that likely scattered the sharks that normally dwell there.

A strange "illuminated swirl" was spotted in the night sky on Monday, leading many to wonder what was causing it.

Water rockets are plenty of fun, but they can be even more fun if you go wild with the engineering. [The Q] is one such experimenter, who built a dual-thrust water rocket that even has a parachute ...

The observations could provide answers about how galaxies formed, including the origins of water ... a landing zone at the base. The rocket and its exhaust plume are sometimes visible for ...

Such high Knudsen number conditions give rise to important nonequilibrium effects affecting vehicle aerothermodynamics and rocket plume structure. The NGPDL projects in this area have some overlap ...