Earth" and a massive outer planet, revealing insights into extreme planetary evolution. An international research team, led ...

The asteroid, named 2025 AB, is expected to pass us at a distance of 95,200 miles, about twice as close as the orbit of the ...

Alinda has made its closest approach to our planet in decades, and it's about to peak in brightness in a rare ...

It's around the same size as Jupiter but less than a third as massive, and orbits a main sequence star roughly 160 light-years from Earth. It is very close to ... measure the planet and its ...

Astronomy has unveiled some of the most impressive results: two Earth-sized Exoplanets orbiting a very nearby star called HD ...

Since its launch in April 2018, the satellite has been conducting a survey of about 200,000 of the brightest stars near ... Earth radii. More information: Michelle Kunimoto et al, Two Earth-size ...

Previous observations suggested that Ceres was less than 30% ice, and its craters were thought to imply that the dwarf planet ... close to Earth," Sori said. "Ceres may be a valuable point of ...

Smaller gas giants are less likely to survive in such systems, surrounded by clashing planetary titans. With their lower ...

It’s designated as a “near Earth object,” or NEO, based on its size and how close it orbits to the sun. NEOs are “potentially hazardous”—but rest assured, this one isn’t. Asteroid ...