The world’s heavy reliance on fossil fuels, especially for transportation, has left a deep mark on both the planet and public health. Burning these fuels releases a flood of greenhouse gases, which ...

Called comet 41P, it was originally spinning—tumbling, really—in one direction as it wended its way around the Sun. NASA ...

Jet engines are relatively simple in their basic design, but advancements in gas turbine engine technology have mostly done away with the cool-looking bucket-type reverse thrust systems. These thrust ...

Interstellar comet 3I/ATLAS recently showed a ‘complex jet structure’ that has once again brought it into the spotlight, as captured by well-known comet observers M. Jäger, G. Rhemann, and E. Prosperi ...