A strange black hole is making scientists scratch their heads.

An aspiring naval officer Olivia Achenbach from the United States Naval Academy has unveiled surprising characteristics of ...

Astronomers observed flashes of X-rays coming from a supermassive black hole at a steadily increasing clip. The source could be the core of a dead star that's teetering at the black hole's edge.

The night sky has always played a crucial role in navigation, from early ocean crossings to modern GPS. Besides stars, the ...

The 245th Meeting of the American Astronomical Society is being held Jan. 12 to Jan. 16 and will feature remarkable findings ...

Hubble Space TelescopeHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble ...

This illustration shows a binary black hole at the centre of the quasar Markarian 231, outshining billions of stars. This image shows a possible seed for a supermassive black hole. Two seeds were ...

Kimberly WeaverNASA Goddard Space Flight Center Some of the most enigmatic objects in the Universe are giant supermassive black holes (SMBH). Yet after 30 years of study, we don’t know precisely how ...

NGC 5548 is a turbulent galaxy that exhibits complex absorption features and X-ray spectral variations. The "obscurer" is an outflowing stream of weakly ionized gas that was discovered in 2007. AFGL ...

The Hubble Space Telescope has imaged a "200,000 light-year-long trail of newborn stars" that may have been left behind by a ...

From new perspectives on the early universe to illuminating the extreme environment near a black hole, discoveries from NASA ...

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