Two airplane-size asteroids, 2026 HJ3 and 2026 HR, are set to make a safe close approach to Earth on 27 April 2026, passing ...

Comet 3I/ATLAS, an object from another star that was found speeding through our solar system last summer, is now fading from ...

Interstellar Comet 3I/ATLAS reveals a frozen origin older than the Sun, offering new clues about early planetary system ...

TIMO HOPP: Now we find that they are most likely comes more from the inner solar system, which was assumed to be a more dry ...

Imagine shrinking Earth to the size of a small ball to reveal just how vast the Universe is. If it were 12 centimeters wide, ...

A giant planet in the HR 8799 system orbits six times faster than its neighbor, reigniting the mystery surrounding its origin.

Research findings are available online in the journal Nature Astronomy. The original story “ Frozen ocean world found lurking between Mars and Jupiter ” is published in The Brighter Side of News. Like ...

The Rubin Observatory sits at 2,647 meters (8,684 feet) above sea level at Cerro Pachón in the Chilean Andes. Credit: RubinObs/NOIRLab/SLAC/NSF/DOE/AURA/P. Horálek ...

Only three objects have ever been confirmed to come from outside our Solar System. Each one behaved differently, and none of them fit neatly into existing categories. Their trajectories were clear, ...

Hubble Space Telescope images of 3I/ATLAS taken in December 2025 show the object releasing two narrow jets of material while moving away from the Sun. The observations were made on December 12 and ...

Interstellar comet 3I/ATLAS's first reported sighting was on July 1, and it's going to be the closest it's ever been to Earth on Friday. Along the way, it reached several milestones leading up to what ...