One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about ...

Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets ...

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...

In addition to being a runnable CLI tool, D2 can also be used to produce diagrams from Go programs. For examples, see ./docs/examples/lib. This blog post also demos a complete, runnable example of ...

Six planets are visible in the night sky right now. On Feb. 28, Mercury will add a seventh planet to the planetary parade. Venus, Mars and Jupiter are 'great naked-eye targets' for beginning ...

It's not too late to see the planet parade. Stargazers will be able to see four or five planets in the night sky with their naked eye this month. A rare seven-planet alignment will reportedly be ...

For the last month and change, you might've seen the headlines about the planetary alignment, or a planetary parade, going on in our solar system. And that's true. In January 2025, Venus ...

However, seven-planet alignments are the rarest of all. Unlike diagrams and illustrations, the planets will not be visible in a queue. Planets orbit the Sun in different orbits in three ...

but on all planets," said lead author and astrophysicist Julia Victoria Seidel in a statement. She added: "It feels like something out of science fiction." A diagram illustrates the three layers of ...