In contrast, the term "aphelion" refers to the point where the orbiting body is farthest from the sun. Earth will reach its closest point to the sun, known as perihelion, on Jan. 3, 2026 at 12:15 ...

We explore how long it takes to get to Mars and the factors that affect a journey to the Red Planet. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

Hepatitis B (sometimes referred to as hep B) is a liver infection caused by the hepatitis B virus (HBV). It typically causes symptoms like stomach pain, dark urine, fatigue, fever, jaundice (yellowing ...

For anyone who’s spent an evening from the rim at Crater Lake, it’s no surprise it has been named the United States’ best national park for stargazing.