Interstellar comet 3I/ATLAS is baffling scientists with a mysterious colour shift and puzzling acceleration, as new images ...

Strange blobs found inside Mars by Nasa’s InSight lander may be remnants of the ancient “embryo” that eventually developed into the planet we see today, according to a new study. The findings, ...

Avi Loeb, Harvard astrophysicist and longtime proponent of the possibility that certain celestial objects could be artificial, doubled down on his theory about 3I/ATLAS during a recent episode of The ...

Perseverance is exploring Mars’ sandy ripples, strange frozen waves that could reveal how wind still shapes the planet. Along the way it uncovered unusual helmet-shaped rocks, sparking new questions ...

For years, scientists staring at Mars through the eyes of orbiting spacecraft noticed something strange: a mysterious signal in the light spectrum that didn’t match any known mineral. That puzzling ...

The NASA rover Perseverance recently discovered a strange rock on Mars, which appears to be made up of small rounded stones a few hundred millimeters in diameter. NASA’s research team is trying to ...

The rock has hundreds of spherules on it, some of which have tiny pinholes. NASA's Perseverance rover has encountered another rock on Mars that has left scientists puzzled. Named "St. Pauls Bay" by ...

Is it a comet or a spacecraft? That is the billion-dollar question splitting the astronomical community as the interstellar ...

The conversation began online but has now reached the highest levels of NASA and the academic world. Celebrity joins debate ...