New analysis on 2017 Hubble images of the Jupiter-family comet, 41P/Tuttle–Giacobini–Kresak (41P/TGK), indicates that the comet underwent a spin reversal between April and December 2017. While this ...

The Hubble Space Telescope has witnessed a spinning comet slow its own rotation and then start spinning in the opposite direction, in the first observation of its kind demonstrating that comets can be ...

Is the gas giant about to have a close encounter of the 3I kind? Harvard scientist Avi Loeb claims that 3I/ATLAS’ bizarre trajectory suggests that it’s sending “satellites” to Jupiter to gather intel ...

Interstellar visitor comet 3I/Atlas may have bid farewell to Earth, but spacecraft traveling through the solar system kept a close watch on the mysterious traveler. The European Space Agency’s (ESA) ...

Pictures of 3I/ATLAS will soon be all we have to remind us of the strange interstellar comet and its brief visit to our cosmic neighborhood. Fortunately, thanks to the world's space agencies, we'll ...

The Hubble Space Telescope and the Jupiter Icy Moons Explorer have captured fresh images of an interstellar comet as the object nears its closest approach to Earth later this month. Comet 3I/ATLAS has ...

Astronomers using NASA's Hubble Space Telescope have found evidence that the spinning of a small comet slowed and then reversed its direction of rotation, offering a dramatic example of how volatile ...

In the fall of 2023, Unistellar observers joined forces with the Association Française d’Astronomie (AFA) to take another close look at a familiar visitor: Comet 103P/Hartley 2. This tiny but famously ...

NASA and the European Space Agency announced Monday that the James Webb Space Telescope has produced the first mid-infrared chemical fingerprint ever obtained from an interstellar object, detecting ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...