Under the right conditions, life thrives on Earth. But other planets, even those closest to us in our solar system, can be hostile worlds, even for machines. Museum scientist Sara Motaghian explains some of the reasons why Mars and Venus...

The video discusses the history of the Earth's atmosphere and how it has changed over time. It explains the theories and evidence scientists have used to hypothesize these changes, from the early atmosphere being similar to that of Mars...

SciShow Space News gives you the latest from a batch of experiments on the Space Station, a new mission to forecast space weather, and a guide to this year's conjunction of Mars and Venus!

Dive into the fascinating characteristics of Mercury and Venus, the closest planets to the Sun in our solar system. Discover Mercury's extreme temperatures and rapid orbit, and learn why Venus, with its scorching heat and beautiful...

Jupiter and the crescent moon start off and end the month together. Find out where to see Mars and Venus as well. The Lyrid Meteor Shower peaks on the night of April 21-22. Amazing globular cluster M3 is also available for skywatchers...

A lot of our knowledge of the inner solar system was gained fairly recently, and the Mariner program led the way!

Mercury and Venus have no moons because of their close proximity to the Sun. Any moon orbiting around them is likely be swallowed by the mammoth gravitational pull of the mighty Sun. All planets except for Mercury and Venus have moons....

Mercury and Venus have no moons because of their close proximity to the Sun. Any moon orbiting around them is likely be swallowed by the mammoth gravitational pull of the mighty Sun. All planets except for Mercury and Venus have moons....

InSight has safely landed on Mars, and astronomers have some improved theories about the TRAPPIST-1 system.

It’s said the Romans were descended from Mars and Venus, and if Romulus was the aspect of Mars personified, then Rome’s second king Numa was the aspect of Venus. Where Romulus spent his days abducting women and waging war, Numa lived a...

Howcast -Learn where the Mount of Venus is located and what it reveals from psychotherapist and palm reading expert Ellen Goldberg, M.A. in this Howcast video.

Good news for fans of Venus - last week, NASA announced two new missions to learn more about our planetary neighbor! And this week, NASA's Juno mission sent back a treasure trove of data about Ganymede - the largest moon in our solar...

This video is a lecture presentation on orbits. It discusses how an object remains in orbit and what affects the orbital speed of an object. The presenter explains the role gravity plays in keeping celestial bodies in orbit and gives...

Venus, our nearby “sister” planet, beckons today as a compelling target for exploration that may connect the objects in our own solar system to those discovered around nearby stars. Yet, humanity’s exploration of Venus...

ESA's Venus Express probe, launching after four years of development, will study Venus in detail, focusing on its atmosphere, plasma, environment, and surface. The spacecraft, based on the Mars Express design, will deploy instruments...

Venus Express, an ESA probe launched in 2005, was designed to study the unique atmosphere and dynamics of Venus, our closest planetary neighbor. Equipped with infrared and ultraviolet imaging technology, it captured stunning images of...

The video discusses the relationship between orbital speed, orbital radius, and orbital period of objects in space. It explains how to calculate orbital speed using an equation and provides examples such as calculating the orbital speed...

Howcast -Learn how Venus and Mars affect your romances from famed astrologer Jenny Lynch in this Howcast video.

Humans have been to the moon, and we will almost certainly set foot on Mars very soon. But then what? Can we colonize other places in the solar system? What about beyond our solar system? How will we get there? What kinds of energy will...

In part 5, Dr. Garvin conveys the amazing past successes of robotic explorations on Mars and what we have to look forward to with the upcoming Mars Science Lab, also known as the Curiosity rover.



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This video is about why it's harder to successfully land spacecraft and landers and rovers on Mars than on Earth, or Venus, or the Moon, or Titan, or asteroids. It all comes down to atmospheric density! When...

Venus was once thought to have been very earth-like and pleasant, but now it's considered a harsh wasteland that we wouldn't even send a robot to.

Over the last 50 years, spacecraft have landed on over half a dozen worlds. But nowhere has proven more treacherous than the Red Planet — Mars. ------------------------------------------------------ Following is the transcript of the...

This video is a lesson about the solar system, specifically focusing on the Milky Way galaxy, the inner planets (Mercury, Venus, Earth, and Mars), the outer planets (Jupiter, Saturn, Uranus, and Neptune), and their characteristics. The...