Planetary scientists recently simulated an alternate version of our solar system: one with a super-Earth causing climate chaos on Earth, Mars and Venus. One of the most common types of planets in our ...

There's something big missing from our solar system — and that may be a good thing. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Planetary ...

The climate on such a world must be beyond bizarre. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A super-Earth planet that dips in and out of ...

Time moves differently on Mars — not in the Tibetan philosophy sense of the word, but in a measurable, physics-will-ruin-your-mission kind of way that's giving NASA engineers a real headache. As the ...

In the grand theater of the cosmos, where celestial bodies waltz to the timeless rhythms of gravity and motion, lies a story of Earth and Mars — a tale that intertwines the orbits of these neighboring ...