An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an outgoing path — but it’s not leaving our cosmic ...

Interstellar object 3I/ATLAS baffles scientists with its unnatural acceleration and blue colour. Harvard's Avi Loeb suggests an 'alien engine' but NASA insists it's a comet.

A pair of new peer-reviewed scientific papers claim to have detected the presence of UFOs in photographs taken in the 1950s. Astronomer Beatriz Villarroel from the Nordic Institute for Theoretical ...

Astronomer using Hubble discovers "young stars that are spiraling into the center of a massive cluster of stars in the Small ...

Four weeks after its acquisition on October 2–3, 2025, the vital MRO HiRISE data remains inaccessible to researchers.

Astronomers using Hubble and ground telescopes observed a two-phase coronal mass ejection from EK Draconis, a young Sun-like star.

Elon Musk addressed Harvard researcher Avi Loeb’s theory on interstellar comet 3I/ATLAS, confirming its nickel-rich composition results from natural impacts, not artificial or extraterrestrial origin.

Using the James Webb Space Telescope, astronomers have captured the clearest picture yet of how galaxies formed in the early universe.