Bullet Train to the Moon: The Idea of Moon Travel by Train

Full moon with moonlight shining on a calm ocean.

In the vast range of the cosmos, the Moon has captivated humanity's imagination for centuries. (Image: Ig0rzh via Dreamstime)

Scientists Compile Cassini’s Unique Observations of Saturn’s Rings

Saturn's rings.

Although it may look to our eyes like other images of the rings, this infrared image of Saturn's rings was taken with a special filter that will only admit light polarized in one direction. Scientists can use these images to learn more about the nature of the particles that make up Saturn's rings. (Image: JPL-Caltech / Space Science Institute via NASA)

Researchers Discover New Monster Black Hole ‘Practically in Our Back Yard’

A supermassive black hole.

The discovery of a so-called monster black hole that has about 12 times the mass of the sun is detailed in a new Astrophysical Journal research submission. (Image: M. Helfenbein, Yale University via OPAC)

NASA’s NEOWISE Telescope Takes 12-Year Time-Lapse Movie of the Entire Sky

The Milky Way galaxy.

Pictures of the sky can show us cosmic wonders; movies can bring them to life. Movies from NASA’s NEOWISE space telescope are revealing motion and change across the sky. (Image: via Pixabay)

Mishaps Aboard the Voskhod 2 Spacecraft and How They Almost Killed the Cosmonaut Crew

Soviet cosmonaut Alexei Leonov.

Soviet cosmonaut Alexei Leonov outside the Voskhod 2 orbital craft piloted by Pavel Belyayev on March 18, 1965. (Image: via Public Domain)

Astronomers Show Massive Stars Can Steal Jupiter-Sized Planets 

Massive star with Jupiter-like planet.

In theory, planets can form around these stars, but the stars emit large amounts of ultraviolet radiation that stop planets from growing to the size of Jupiter — the largest planet in our solar system. (Image: via Mark Garlick)

Do ‘Bouncing Universes’ Have a Beginning?

Bouncing universes have no beginning and no end.

Some cosmological models propose that the universe expands and contracts in infinite cycles, but new research finds a crucial flaw in the latest version of this theory. (Image: via Pixabay)

Being in Space Destroys Red Blood Cells

Space station floating in space.

Interestingly, the team repeated the same measurements one year after astronauts returned to Earth, and found that red blood cell destruction was still 30 percent above preflight levels. (Image: via NASA)

Space Junk: Houston, We Have a Problem

Space junk orbiting Earth.

Humans have left an absolute mess in space, but no one wants to clean it up. (Image: via NASA)

After Curiosity, Perseverance Is All Set to Look for Ancient Proof of Life on Mars

The Perseverance rover on Mars.

NASA's newest rover, Perseverance, joins the Curiosity rover to look for ancient proof of life on Mars. (Image: via Wikimedia Commons)