space-astronomy

Yes, you can see Mercury from Earth, but it is the most challenging of the five naked-eye planets to spot because it stays close to the Sun. Mercury is visible only around its g...

Buzz Aldrin, the Apollo 11 lunar module pilot, is best known for walking on the Moon in 1969, yet his enduring personal relationships have shaped his public narrative as much as...

A total eclipse happens when the Moon passes directly between the Sun and Earth, blocking all direct sunlight from a narrow area on the ground. This alignment, called syzygy, on...

Meteors are streaks of light produced when small space rocks, called meteoroids, enter Earth’s atmosphere and heat up from friction. For people across South Florida, most mete...

When headlines say "stars that died today," they usually refer to astronomical events reported on a given date, not literal yesterday deaths. This evergreen explainer covers how...

As of late 2024 or early 2025, more than 600 people have traveled past the Kármán line, the boundary at roughly 100 kilometers that defines space for most international agreem...

Mars closest approach to Earth occurs when the orbits of the two planets align so that Mars is at the nearest point in its elliptical path while Earth sits roughly opposite the...

The presence of water on the Moon was not confirmed in a single "discovery moment" but built through incremental evidence from orbital spectrometers, sample returns, and dedicat...

A rare comet tonight refers to a long-period comet that has approached the inner Solar System for the first time in thousands of years, becoming briefly bright enough to see wit...

Solar eclipses are rare for any given location because they require an exact alignment of the Sun, Moon, and Earth, combined with the Moon’s tilted orbit, making shadows graze...