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Planets usually stay close to their host stars, tracing steady paths shaped by gravity. Yet some planets break free and drift alone through the Milky Way. Astronomers call these objects free-floating ...

Scientists have found what appear to be rogue planets hidden in old survey data. Their results are starting to define the poorly-understood rogue planet population. In the near future, the Nancy Grace ...

How common are super-Earth exoplanets throughout the universe? This is what a recent study published in Science hopes to address as an international team of more than 60 researchers used a well-known ...

Astronomers discovered FFPs (free floating planets- rogue planets) more than 20 years ago, using the United Kingdom Infrared Telescope in Hawaii. Since then, observers have spotted hundreds rogue ...

Photometric data and fitted light curve of the event AT2021uey. Credit: Astronomy & Astrophysics (2025). DOI: 10.1051/0004-6361/202554236 Scientists from Vilnius University (VU) Faculty of Physics, ...

In an unprecedented discovery, astronomers have detected a rare exoplanet located at the very edge of the Milky Way galaxy, using a method grounded in Albert Einstein’s theory of general relativity.

NASA’s Nancy Grace Roman Space Telescope will create enormous cosmic panoramas, helping us answer questions about the evolution of our universe. Astronomers also expect the mission to find thousands ...

An international team of astronomers led by David Bennett of the University of Notre Dame has discovered an extra-solar planet of about three Earth masses orbiting a star with a mass so low that its ...

What does the “typical” exosolar system look like? We know it’s not likely to look like our own Solar System, given that our familiar planets don’t include entire classes of planets (Hot Jupiters!

Gravitational microlensing is a transient but powerful phenomenon that occurs when a foreground mass – such as a star or a planetary system – temporarily magnifies the light from a more distant ...