For the first time, astronomers have spotted a coronal mass ejection exploding from a star other than our Sun.

Interstellar object 3I/ATLAS was just hit by a solar blast, putting the "alien craft" theory to the test as scientists await ...

ESA improved predictions of interstellar comet 3I/ATLAS’s trajectory using ExoMars TGO data from Mars, achieving tenfold accuracy and enhancing future observations and planetary defence readiness.

NASA has spotted what looks like green rain on Titan, Saturn's largest moon. The moon seems to glow a green color, which is ...

Since comet 3I/ATLAS, the third known interstellar object, was discovered on 1 July 2025, astronomers worldwide have worked ...

The interstellar object 3I/ATLAS has prompted Harvard physicist Avi Loeb to suggest it could be 'artificial'. Loeb argues ...

The interstellar comet 3I/ATLAS, the third confirmed object to originate beyond our solar system, has become a focal point ...

The researchers have calculated the expected orbital elements, radiants and velocities of Earth-impacting interstellar ...

Scientists have detected the first radio signal from interstellar object 3I/ATLAS. This discovery confirms the object is a ...

Astronomers using the European Space Agency's XMM-Newton space observatory and the LOFAR telescope have definitively spotted ...

Nearly a century after Pluto’s discovery, astronomers are still hunting for mysterious planets beyond Neptune - including a ...

NASA researchers recently observed powerful water jets erupting from comet 3I/ATLAS, comparing the outburst to a “fire hose” ...