Astronomy

science-space

Apophis (99942 Apophis) is a near-Earth asteroid about 340 meters in diameter that will make several close approaches to Earth this century. The question where will Apophis be v...

Status Updates

When you ask is today retrograde, you are asking whether any planet appears to move backward from Earth for part of its orbit. This apparent backward motion, called retrograde,...

Space

Venus is one of the brightest objects in the night sky, but whether you can see it on any given night depends on its position relative to the Sun and your horizon. As an inner p...

space-astronomy

The Perseid meteor shower typically runs from mid-July to late August, with the highest activity clustered around the annual peak. The Perseid meteor shower ends gradually after...

general

Retrograde describes a direction or motion opposite to the usual or expected forward movement. In everyday language, it can refer to technological, social, or political steps ba...

Science & Nature

A solstice occurs when one of Earth’s rotational poles reaches its maximum tilt toward or away from the Sun. This creates the longest and shortest days of the year. The summer...

people-profiles

This article distinguishes the British musician Chris Martin of Coldplay from professional astronomers, explains his public interest in space and science, and clarifies the like...

science

A solar eclipse happens when the Moon passes between Earth and the Sun. Unlike a full Moon night, an eclipse window is narrow and location-specific. The moment you can first not...

astronomy

On the night of 20–21 January 2019, a total lunar eclipse produced a widely photographed “blood moon” visible from North and South America, parts of Europe, and Africa. Un...

Space

The brightest planet in the sky tonight depends on time, location, and the planet’s position in its orbit. Planets appear as steady points of light that do not twinkle like st...