NASA’s Roman Space Telescope could expose a vast hidden population of neutron stars lurking unseen across the Milky Way. By ...

In context: NASA estimates that a single galaxy may harbor trillions of rogue planets. These starless worlds drift alone through interstellar space and have no parent star. They remain challenging to ...

Astronomers are on the brink of a groundbreaking discovery that could reshape our understanding of the universe. A new study ...

New detection method: Roman will use astrometric microlensing to spot and weigh neutron stars that emit no detectable light. Forecasted discoveries: Simulations suggest the mission could find 30–50 ...

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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 ...

The Milky Way's galactic bulge, the bulbous region that surrounds the galactic center, contains a dense collection of stars, planets, and other free-floating objects. This region has been studied for ...

Once found, the microlensing measurements would help in determining a number of properties, such as the planet’s mass and distance, how it sits in relation to its star, and its galactic position. In ...

NASA’s Hubble Space Telescope and the W. M. Keck Observatory in Hawaii have made independent confirmations of an exoplanet orbiting far from its central star. The planet was discovered through a ...

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 ...