The European Space Agency (ESA) is ready to guide the ESA/NASA Solar Orbiter spacecraft through its closest encounter with ...

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...

What did Newton understand that was such a revolution? Can someone just... explain gravity to me? Let's start with a ...

Gravity, or gravitational attraction ... made and published observations showing that the planet Venus went through phases just like the Moon, and that Jupiter was orbited by its own moons.

This in turn allows conclusions to be drawn about the gravity of Venus. 15 months after the launch, the satellite should reach Venus. Its atmosphere will then serve as a brake for about a year to ...

A tiny star is making big moves — whether its accomplice likes it or not. Astronomers have spotted a star just a fraction the ...

NASA’s Parker Solar Probe will complete its final Venus gravity assist on 6 November, altering its path to make an unprecedented 3.86-million-mile approach to the sun on 24 December. The ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Despite its whimsical name, Quipu (pronounced “kee-poo”) is the largest confirmed superstructure in the universe to date in ...

low gravity, and proximity to the sun. How to watch the planet parade? To witness a planet parade, you can primarily use your naked eyes to see the brighter planets like Venus, Mars, Jupiter ...