“A critical aspect of sustainable satellite design is demisability, which ensures that satellites fully break up and burn up ...

Astronomers have identified a strange new object in deep space, a vast cloud that looks like a galaxy stripped of its stars. Instead of a shining island of suns, this structure is almost entirely dark ...

Add Yahoo as a preferred source to see more of our stories on Google. A Nasa team using the Hubble Space Telescope found an object in space never recorded before, nicknamed "Cloud-9." Cloud-9 is a ...

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 ...

Astronomers have identified a mysterious deep-space object that appears to defy current scientific understanding, prompting renewed debate about how the universe forms and evolves over time. The ...

3I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some researchers suggest it could even be alien-made, drawing comparisons to probes ...

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, ...

On the left is a non-Earth satellite image of TRACERS-2, a spacecraft that is part of a NASA mission to study how the Sun's energy interacts with Earth's magnetic field, collected in August 2025.