Space

The Geminid meteor shower is one of the year's stronger displays in terms of number and size of meteors. When's the best time to see it?

By Christopher Hassiotis

In 1984, President Ronald Reagan had a vision for a permanently inhabited space station. Today that vision is a reality we know as the International Space Station.

By Craig Freudenrich, Ph.D. & Mark Mancini

Polaris, also known as the North Star, is almost exactly over the celestial North Pole, making it extremely useful for navigation (and for making wishes on, as well).

By Patrick J. Kiger

The atmospheric pressure is crushingly extreme on Venus, and lead would melt into a puddle on its surface. But as hellish as this place sounds, it actually has a lot in common with Earth.

By Mark Mancini

A Russian cosmonaut printed some steak in space, and now we're one step closer to sending humans to Mars.

By Jesslyn Shields

Jupiter is the largest planet in the solar system. Big as it is though, next to the sun, Jupiter looks puny.

By Mark Mancini

As the search for Planet Nine wears on, and astronomers have yet to get so much as a glimpse of it, researchers are pondering what else the object might be.

By Ian O'Neill, Ph.D.

The galaxy has sent another tumbling chunk of frozen interstellar material our way.

By Ian O'Neill, Ph.D.

You know Apollo 11. But what did the other Apollo missions accomplish after Neil Armstrong made his giant leap for mankind?

By Mark Mancini

NASA just named a rolling rock on Mars after — who else — the Rolling Stones.

By Ian O'Neill, Ph.D.

While alcohol consumption is not completely alien to the space program, not much is known about its effects on the body outside our atmosphere.

By Patrick J. Kiger

Did you know that a moon can leave its orbit around a large planet and go out on its own?

By Patrick J. Kiger

Titan is the only moon in the solar system with much of an atmosphere, and the only one known to have liquid rivers, lakes and seas on its surface.

By Patrick J. Kiger

Less than 100 miles from Las Vegas, is the most famous secret military installation on the planet: Area 51. For decades, the U.S. government refused to acknowledge it existed. But now, the secret is out.

By Jonathan Strickland & Patrick J. Kiger

We’re celebrating the 50th anniversary of Apollo 11’s historic journey to the moon.

The planned Laser Interferometer Space Antenna, or LISA, will be able to detect the gravitational waves generated by massive collisions in the deep cosmos.

By Ian O'Neill, Ph.D.

It's been more than 50 years since humans first landed on the moon. Pull up a lunar module and let's see how much you know about Neil Armstrong, Buzz Aldrin, Michael Collins and the adventure that immortalized them.

By Mark Mancini

Researchers at the Zwicky Transient Facility have found an asteroid in Earth's orbit. And this one has the shortest year yet.

By Ian O'Neill, Ph.D.

But what?

By Ian O'Neill, Ph.D.

NASA has built a lightweight robotic helicopter capable of flying in the thin atmosphere of Mars.

By Patrick J. Kiger

Scientists recently found 12 more moons revolving around Jupiter, bringing its total to 79. Why does Jupiter have so many darn moons? Is there any advantage to that?

By Mark Mancini

Why not cylindrical? Or even cube-shaped?

By Mark Mancini

And one of the exoplanets in the Teegarden star system could have a temperature range between 32 and 122 degrees Fahrenheit.

By Ian O'Neill, Ph.D.

And an additional $11,000 will allow you to use the space toilet.

By Patrick J. Kiger

Will this groundbreaking clock revolutionize space travel? NASA is banking on it.

By Mark Mancini