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

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There will be six planets visible this time around, including Venus, Mars, Jupiter ...

The presence of life on Earth causes oxygen to be abundant in the atmosphere, and in this Earth is unique in our solar system. Without life, most of the oxygen would soon become part of the compounds ...

But it's also a boon for stargazers because without ... planets. You don't have to break the bank, though; we've selected telescopes for a range of budgets. If you want to look beyond our solar ...

The night sky recently played host to a truly extraordinary event: a planetary parade unlike any seen by this generation. From late January to early February 2025, several planets in our solar system ...

Jan. 30, 2025 — Flexible perovskite solar cells are promising for lightweight and versatile applications but their sensitivity to humidity and temperature poses a challenge to long-term durability.

The car, launched in 2018 on a SpaceX rocket’s upper stage, is one of many human-made objects in deep space that could ...

In fact, we didn’t know for sure that any planets at all existed beyond our solar system, and a lot of the ... leaving us effectively without hope of ever knowing whether another living world ...

With the OSIRIS-REx space probe, the NASA space agency succeeded in collecting some material from the surface of asteroid ...

Here’s how it works. The best solar lights will keep your backyard or porch lit once the sun goes down. If you enjoy relaxing in the backyard or hosting evening gatherings, solar lights can add ...