Scientists found two Earth-sized planets and a third candidate orbiting a nearby double star system, TOI-2267.

Using NASA's planet-hunting spacecraft TESS (Transiting Exoplanet Survey Satellite), astronomers have discovered three ...

The Habitable Worlds Observatory (HWO) is slated to be the next Great Observatory for the world. Its main focus has been ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the 'quasi-moon.' ...

An asteroid named 2025 PN7 has been in quasi-orbit of Earth for approximately 60 years. It's expected to stay there for ...

APM 08279-5255 is a massive black hole (quasar) that contains about 140 trillion times the amount in all of Earth’s oceans ...

Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest ...

Though NASA confirms that 3I/ATLAS poses no immediate threat to Earth, its unusual trajectory and behaviour have stirred concerns. Scientists ask what might occur if the object were on a collision ...

A giant dent in Earth's magnetic field is continuing to expand, according to the latest data from a trio of satellites monitoring our world.

Earth's quasi-moons are not actually moons ... Northeastern University astrophysicist Jonathan Blazek said the new quasi-moon ...