The cause of the strange blue spiral is actually a SpaceX Falcon 9 rocket that blasted off from Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station in Florida at 1:48 p.m. EDT (1748 ...

The stars are surrounded by diffraction spikes, which are the starburst-like radiating lines that appear around bright ...

Scientists have finally found an answer to one of space’s biggest mysteries, and the answer could even lead to finally ...

More than ten years ago, the Herschel space telescope stopped working. Thanks to a new analysis, its data may now have solved ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering mystery about how distant planets form, researchers said.

Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

The European Space Agency’s Euclid space telescope ... Over the next six years, the telescope will capture images of more than 1.5 billion galaxies and reveal even more mysteries about the universe.

Welcome to the classroom activities for the "Mysteries of Deep Space" Web site ... about the latest discoveries and even observe the images provided by the Hubble Telescope.

Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed of chunks of rock and ice like comets, dwarf planets, and random objects ...