This makes Etna an enigma. Despite its long historical record – plus extensive monitoring and research in modern times – no known geological process can fully explain how the volcano formed, or where it keeps getting all the alkaline magma for its frequent eruptions.

New observations and simulations by a team of researchers led by MPE reveal that a massive binary star near our galaxy's center is responsible for creating a series of enigmatic gas clouds—compact gas clumps that help feed the supermassive black hole Sagittarius A*.

Viral video showcasing a mysterious figure scaling the iconic 366-foot-tall Las Vegas Sphere this past Tuesday appears to be another feat by daredevil climber Alex Honnold. In social media videos, people spotted a small figure in the distance on top of the sphere,

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our own solar system? While distant galaxies reveal clear signs of something bending the rules of gravity—often attributed to dark energy or a hidden “fifth force”—everything nearby seems to follow Einstein’s playbook perfectly.

In the past three years, astronomers have discovered a mysterious new type of radio source. We call these long-period transients. These objects emit bright radio signals that repeat every few minutes to every few hours. We have found about a dozen examples ...

Efforts to cast light on unidentified aerial phenomenon (UAP) added new mystery as a congressman sought answers on the mysterious death of a whistleblower ahead of testimony. […]

This is going to be the second round of talks between the two countries.

One such extraordinary artifact is an intriguing Egyptian tablet that has sparked intense debate among researchers and alternative historians alike. By mainstream archaeologists’ assessment, this intricately carved slab of stone is designated the ‘offering table for Defdji’ and is simply a rather elaborate offering table.