On the night of 18 December 2019, a star in our satellite galaxy, the Large Magellanic Cloud, briefly got brighter. Not ...

A brief brightening of a distant star has led astronomers to identify amysterious object that passed between Earth and the Large Magellanic Cloud. The event lasted only about an hour, yet researchers ...

Astrophysicists think that black hole masses are hierarchical. The largest are supermassive black holes (SMBH) like the one ...

An artist's rendition of a black hole. (Pobytov/DigitalVision Vectors/Getty Images) In 2019, astronomers recorded a distant star doing something unexpected. For about an hour, its brightness gently ...

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A new statistical study of planets found by a technique called gravitational microlensing suggests that Neptune-mass worlds are likely the most common type of planet to form in the icy outer realms of ...

Astrophysicists have discovered for the first time a population of planets beyond the Milky Way galaxy. Using microlensing -- an astronomical phenomenon and the only known method capable of ...

Astronomers have, for the first time, found a planet orbiting a binary star system using microlensing. Gravitational lensing is a technique that made its name by aiding in the discovery of galaxies.

The abundance of low-mass compact objects, at or below the hydrogen-burning mass limit of 0.08M ⊙ (where M ⊙ is the solar mass), remains an open question. This abundance has implications for such ...

Astronomers have confirmed the existence of a Uranus-sized exoplanet orbiting far from its central star, discovered through a technique called gravitational microlensing. NASA's Hubble Space Telescope ...