This year, the Buck Moon follows Earth's aphelion, the point in its orbit farthest from the Sun, by just a few days, ...

Particles orbiting a black hole could collide at colossal energies, generating collision products that may offer valuable insights for particle physics ...

Jets are cosmic phenomena that could happen in a couple of ways. Now, researchers have found one larger than the Milky Way, ...

"Theories involving substantial formation of stars prior to or together with the black hole formation and growth are very unlikely." ...

Supermassive black holes are one of the universe’s greatest mysteries, however scientists continue to chip away at their ...

Astronomers from Bulgaria and Egypt have performed multi-wavelength observations of a well-known blazar designated S5 0716+714. Results of the observational campaign, published June 23 in the Monthly ...

A new analysis of BL Lacertae by NASA’s Imaging X-ray Polarimetry Explorer sheds light on the emission mechanisms of active ...

At cosmological scales, Albert Einstein’s theory of general relativity has given scientists an immensely accurate blueprint ...