Comet C/2025 R2 (SWAN)'s backdrop is dominated by the Eagle Nebula — a vast cosmic structure of dust and hydrogen-rich gas ...

Avi Loeb links the strange behaviour of interstellar object 3I/ATLAS with the rise and fall of the sterile neutrino debate in ...

Witness the breathtaking images of the interstellar comet 3I/ATLAS captured by NASA's Hubble Space Telescope and ESA's JUICE orbiter.

Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

An interstellar comet making a brief passage through the solar system has triggered one of the largest coordinated astronomical observation efforts in recent memory. Comet 3I/ATLAS, only the third ...

NASA's Hubble Space Telescope has once again observed the interstellar comet 3I/ATLAS, revealing intriguing details about this visitor from outside our solar system.

NASA reveals the true, bizarre reason for the 3I/ATLAS comet's 16.16-hour pulse. Scientists link the interstellar object's ...

Current physics is speeding toward a breaking point, as astronomers confirm that the Hubble tension in new data.

Neil deGrasse Tyson gave a rousing defense of scientific principles in his characteristic brash way during his Purdue ...

“No aliens. No threat to life here on Earth.” The plain assurance of NASA’s Sean Duffy lacks the poetry of glowing comet tails but cuts through the noise rather succinctly. To scientists, the ...

NASA scientists are sounding an alarm that would have been unthinkable a decade ago: the same commercial satellite ...