Astronomers may have discovered a previously unknown type of astronomical object, nicknamed “Cloud-9,” that could shed light on dark matter, one of the biggest mysteries in the universe. Dark matter ...

The mysterious interstellar object 3I/ATLAS is just weeks away from reaching its closest point to Earth: it’s expected to pass within just 170 million miles of our home planet on December 19, giving ...

The photos are out of this world! NASA unveiled jaw-dropping high-res images of 3I/ATLAS on Wednesday as questions swirl about the origin of the Manhattan-sized interstellar object. The long-awaited ...

Here’s what you’ll learn when you read this story: Object Arjuna 2025 PN7 was thought to be a meteorite in an Earthlike orbit, but that is now being questioned. The new hypothesis suggests that 2025 ...

The vast majority of matter is dark – invisible until it is detected only through its gravitational effects. The newly discovered object could be a clump of dark matter, or it could also be a compact, ...

Scientists using a global array of radio telescopes have detected the universe’s lowest-mass dark object by observing how it warped light through gravitational lensing. The invisible mass, about a ...

For the first time, physicists have simulated what objects moving near the speed of light would look like — an optical illusion called the Terrell-Penrose effect. When you purchase through links on ...

Using a worldwide network of radio telescopes including the Green Bank Telescope in West Virginia, astronomers have discovered a mysterious object in the distant universe. A million times the mass of ...

Forbes contributors publish independent expert analyses and insights. Leslie Katz covers the intersection of culture, science and tech. The galleries in the new virtual museum are organized by region: ...

A comet known as 3I/ATLAS made news in July when it was confirmed to have originated outside Earth's solar system. One infamous theory even posited that the interstellar interloper, estimated to be ...

"When you put it into context, Punctum is astonishingly bright." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest ...