The cause of the strange blue spiral is actually a SpaceX Falcon 9 rocket that blasted off from Space Launch Complex 40 ...

The three satellites, designated Kosmos 2581, 2582 and 2583, launched on a Soyuz-2.1V rocket from Plesetsk cosmodrome early ...

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

This fuel freezes instantly in a spiral pattern due to the high altitude and the rocket’s movements. When light is reflected ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

The European Space Agency’s Euclid space telescope, built to capture a 3D map of the universe, just released its first big batch of data. In the less than two years since its launch, the telescope has ...

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.

A space probe flying past Mars captured images of the red planet's small, mysterious moon. While on a flyby of Mars, Hera was able to use three of its imaging instruments to capture images of ...

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 ...

Our deepest look into space so far is the 10-day exposure by this telescope, called the Hubble Deep Field, that is celebrated in the first of the three "Mysteries ... and its images will be ...

It's no secret that space is full of mysteries. Our species has barely gone past our own planet's moon, and only one of our probes, Voyager 1, has even left the solar system. Much of what we've ...