Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an inferior conjunction.

Q: Why do the planets all orbit the Sun in the same plane? —Randi Eldevik | Stillwater, Oklahoma Because of the way the Sun formed, explains David DeVorkin, a senior curator in the space history ...

Despite reaching a huge greatest elongation of 27 degrees west of the sun ... as bright compared to its dazzling neighbor. Editor's Note: If you get a great photo of any of the planets and ...

According to new simulations, many, even most, planets get ejected from their star early in their history Star Trek Space:1999 free-floating planets, As J.R.R. Tolkien wrote in The Fellowship of the ...

Captured by Webb, it's the first direct evidence of auroras on the most distant planet from the Sun. The discovery of 128 new moons puts Saturn way ahead of its rival, Jupiter. The twin probes ...

The planets closely orbit Barnard’s Star, zipping around their stellar host in a matter of days, compared with the year it takes Earth to complete one orbit around the sun. The outermost planet ...

"We reference the planets as symbols to better understand ... in addition to “the media and the economy.” In comparison to the sun’s masculine energy and the moon’s femininity, Mercury ...

Feb. 13, 2025 — Astronomers used a 3D global computer model to compare the climates of exoplanets in different stellar and orbital configurations. They found that a planet orbiting a white dwarf ...

The planets form a tightly packed, close-in system, having short orbital periods of between two and seven Earth days (for comparison, our sun's closest planet, Mercury, orbits in 88 days).