Perihelion Explained: Earth’s Closest Point to the Sun
Perihelion is the point in Earth’s orbit when it is closest to the Sun, usually occurring in early…
Space Exploration
Space Exploration
Keep up with astronomical discoveries, space missions, planetary science, and the latest innovations in space research.
February 2025 Planetary Parade: How to See 7 Planets Align
In February 2025, seven planets will appear in a rare planetary parade visible from much of the world.…
Smithsonian and Congress Clash Over Space Shuttle Discovery’s Future
The Smithsonian is pushing back against congressional efforts to move Space Shuttle Discovery from the Udvar-Hazy Center to…
Space Shuttle Endeavour: NASA’s Youngest Orbiter
Space Shuttle Endeavour was NASA’s youngest orbiter, built from spare parts after the Challenger tragedy. Over 25 missions,…
Red Lightning Explained: What Sprites Are and Why They Matter
Red lightning, known as sprites, is a rare upper-atmospheric electrical discharge that appears above powerful thunderstorms. Often captured…
Where Is the Center of the Universe?
Modern cosmology shows the universe has no center, edge, or privileged point. The Big Bang was a moment…
Orion Nebula Facts: Earth’s Closest Stellar Nursery
The Orion Nebula is the brightest diffuse nebula visible from Earth and the closest massive star-forming region to…
Blood Moon 2022: Beaver Moon Total Lunar Eclipse Explained
The November 2022 Beaver Blood Moon was a total lunar eclipse that turned the Moon a dramatic copper…
Astronomers Trace RBFLOAT, the Brightest Fast Radio Burst Ever Detected
Astronomers have localized RBFLOAT, the brightest fast radio burst ever detected, to a region in a nearby galaxy…
Total Lunar Eclipse September 2025: Live Updates, Maps & Science
Discover everything about the September 2025 total lunar eclipse, from live coverage and visibility maps to the science…