Mars’ features are starting to become visible, Mercury appears in the evening sky, and the Trifid Nebula glows in the sky ...

The Mercury challenge: With the ecliptic—the centerline of the zodiac and plane ... did graduate work in planetarium science, ...

In modern times, they’re considered to be around Groundhog Day (February 2), May Day (May 1), Lammas (August 1) – and of course, Halloween (October 31). The latter falls between the fall equinox and ...

Astrology and astronomy – the words sound so similar. So why do you get such a stink-eye from your friend the astronomer when you call her an astrologer?

The internet is flooded with impressive photos of comet C/2023 A3 (Tsuchinshan-ATLAS), but we are still waiting for a sight ...

The internet is brimming with impressive photos of comet C/2023 A3 (Tsuchinshan-ATLAS), but we are still waiting for an ...

“Such nebulae as we see have, it seems, a greater analogy with the solar corona than with the fiery condensing mists conceived of by Laplace” (Proctor, “Old and New Astronomy,” § 1445 ...

Nov. 11, 2024 — Why is the expansion of our Universe accelerating? Twenty-five years after its discovery, this phenomenon remains one of the greatest scientific mysteries. Solving it involves ...

The world’s richest man gave his money and time in campaigning for the president-elect and now is putting in his requests for a friendlier regulatory environment. By Eric LiptonKirsten ...

Short days and dark nights are here. These are the best headlamps for astronomy, stargazing, dog walking, and late-night runs — plan ahead of the Black Friday sales. If you often find yourself ...