A legendary spy plane has vanished from a California military base — it comes as NASA teases a mysterious new aircraft sparking speculation the two could be related. The SR-71 Blackbird, tail No. 844, ...

Hubble observations of massive stars in metal-poor dwarf galaxies are revealing clues to why the early universe looks so unusual. Researchers found that stellar winds weaken sharply at extremely low ...

When the universe was still in its infancy – only 500 million years after the Big Bang or about 3% of its current age – some of the universe's earliest stars and galaxies had already formed.

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The relative size of the sun (upper left) compared to two stars in binary system Wolf-Rayet 140. The O-type star is ~30 times the mass of the sun, and its companion is ~10 times the mass. O-type stars ...

September offers Saskatchewan stargazers a chance to spot distant galaxies and star clusters as the evening sky changes with the season. Abigail Sadowski, a resident astronomer at the Kalium ...

When we look at the night sky, darkness seems to fill the spaces between the stars. But what if some of the most powerful objects in nearby galaxies are hiding inside that darkness – not because they ...

Dwarf galaxies—with a mass equal to about a billion suns, but often considerably less—are the most abundant in the universe. However, because of their low luminosity, they are very difficult to detect ...

A survey of nine nearby galaxies has found that actively growing supermassive black holes may build stellar nurseries rather than destroy them — a finding that directly challenges the foundational ...