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Heiligenschein is the halo around your head’s shadow
Have you ever looked down at your shadow and noticed it looks like you have a bright halo around your head? That's heiligenschein.
January 28, 2026
Iconic Ring Nebula holds a mysterious iron bar, study finds
Scientists have discovered a mysterious bar of iron hidden within the iconic Ring Nebula. It's not yet clear what created it.
January 27, 2026
Quantum computers and exoplanets: New view of distant worlds
Quantum computers and exoplanets: Distant planets around other stars are difficult to image. But quantum computers could help astronomers see them better.
January 27, 2026
New evidence for ancient Mars ocean found in giant canyon
Evidence for an ancient Mars ocean keeps growing. Deltas in the Valles Marineris canyon along the former shoreline show that the ocean covered half the planet.
January 27, 2026
Betelgeuse will explode someday, but WHEN?
Will Betelgeuse have another period of noticeable dimming? Betelgeuse will explode as a supernova someday. When it does, it'll be visible in daylight.
January 27, 2026
Tiger shark mating site identified off Maui
Researchers have identified a tiger shark mating site off Maui. Their study reveals a predictable gathering pattern among the sharks for mating.
January 26, 2026
The moon’s terminator line divides night and day
The moon’s terminator line divides day and night on the moon. As we see it from Earth, it marks the line of lunar sunsets or sunrises. Read more.
January 25, 2026
This galaxy cluster provides a lens on distant space
The Webb space telescope has imaged the stunning galaxy cluster MACS J1149, putting a spotlight on its prominent gravitational lensing.
January 25, 2026
What causes an aurora, the northern or southern lights?
The aurora, or northern and southern lights, occur when charged particles from the sun interact with Earth's magnetic field. Read more here.
January 25, 2026
2027 Quadrantid meteor shower has narrow peak on January 3-4
The Quadrantid meteor shower in 2027 will peak in the hours before dawn on January 4, in a dark sky.
January 25, 2026
