Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. The sun will appear larger in the sky than on any ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

P erihelion – or the Earth's closest approach to our host star – will take place on January 3, 2026. At this point, our ...

Our 24-hour day measures Earth’s rotation relative to the Sun, known as a solar day. This is slightly longer than Earth’s ...

Imagining every drop of Earth’s water hurled into the Sun sounds like a last-ditch cosmic fire extinguisher, but the physics ...

Earth will reach perihelion at 09:00 Universal Time on Saturday, January 4, 2025, the closest point to the sun in its annual, slightly elliptical orbit. The word comes from the Greek words peri (near) ...

Venus could make a brief appearance this weekend as it passes between the Earth and the sun. Just be warned: It won't be easy to spot in the sun's glow, according to astronomers. The orbit Venus takes ...

Our Sun, that steady burning ball of gas that has faithfully illuminated Earth for billions of years, is slowly but relentlessly growing brighter. This might sound like good news, but it's actually ...

Earth is at its farthest point from the sun on July 3. So why are temperatures so high across the U.S.? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Earth's orbit is an ellipse, not a perfect circle. Earth's distance from the Sun varies by about 3 million miles throughout the year. Earth's orbit's semimajor axis is approximately 93 million miles.

Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives. Earth orbits the sun once a year, and it rotates on its axis about once a day (depending on your ...

Earth Day is getting a sequel—and it comes with an unusually engaging logo. Founded by environmentalist Bill McKibben and Earth Day founder Denis Hayes, Sun Day is a global day of action that will be ...