Can galaxies exist without an outer halo of dark matter? But new research flips this question around, investigating whether ...

When the moon casts its glow upon the night sky, it often captivates viewers with its serene beauty. However, on one extraordinary night in Alaska, ... Read more The post A Halo Around the Moon ...

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s matter. The rest is mysterious dark matter. But even that modest slice didn ...

Now, thanks to the latest advances in radio observatories, scientists are uncovering an entire "low surface brightness universe" teeming with circular ... rather than light, we end up seeing ...

That bright, circular halo is a natural optical phenomenon ... “The sun shines through these ice crystals, and that bending of light produces the halo. Sometimes, you might even see hints ...

So, a near-perfect circle in a messy universe ... near-perfectly circular shape – is shown below. This unique object has never been seen in any wavelength, including visible light, demonstrating ...