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But in the past two decades, new types of black holes have been seen and astronomers are beginning to understand how they ...
The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.
New research suggests sub-stellar objects called dark dwarfs could glow forever on dark matter energy. Could they reveal secrets about the universe’s hidden mass?
This year, the Buck Moon follows Earth's aphelion, the point in its orbit farthest from the Sun, by just a few days, ...
Baryon acoustic oscillations (BAOs) – the “sound of the Big Bang” – support the idea of a local void. Gabriela Secara, ...
Astronomers using the Green Bank Telescope spotted surprisingly cold, dense hydrogen clouds embedded inside the Milky Way’s ...
Are we living in a cosmic void? New theory suggests our galaxy sits in a giant hole warping the universe's expansion.
Astronomers have studied the globular cluster 47 Tucanae extensively, but still have many questions. It may have an ...
Cosmic radiation occasionally contains enormous amounts of energy, but we don’t know why or where this radiation comes from.
The Helix Galaxy, located 42 million light years away, is an unusual object as it is both a polar ring and a lenticular ...
Chandra X-ray Observatory and X-ray Polarimetry Explorer (IXPE) imagery of the Milky Way's core and supermassive black hole ...
Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...
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