Imagine this: a tiny needle hurtling toward Earth at the speed of light. At first glance, it might sound like no big deal.

Known as the Terrell–Penrose effect, it predicted that objects moving at a high fraction of the speed of light should appear rotated.

This sort of motion is common in galaxies sporting active central supermassive black holes, like the one in the nearby ...

Using light or sound waves, they can lift and control the motion of a small object, like a tiny tractor beam. These are exciting developments, but have very stringent requirements to work.

"At the moment, Punctum truly stands apart — it doesn't fit comfortably into any known category," said Shablovinskaia. "And ...

A team of astronomers believe they have detected objects moving far beyond the Kuiper belt, suggesting a possible second asteroid belt within our Solar System. The team has presented the findings ...

Many reported seeing a strange, fast-moving light in the South Texas sky on Monday night. It's most likely the result of SpaceX rocket launches.

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to pass our way.