Solar Cruiser, part of the SWIFT constellation, will measure solar wind at several vantage points for better interplanetary ...

Scientists are exploring various proposals to repurpose existing spacecraft in order to chase after the interstellar object ...

The orbit of Ammonite (red line) and the orbits of the other three sednoids (white lines). Ammonite was discovered close to its perihelion, at a distance of 71 astronomical units (71 times the average ...

To keep solar power stations from getting lazy, Sandia National Laboratories scientist John Sandusky is looking to give ...

Is there a massive undiscovered planet on the outer reaches of the Solar System? The idea has been around since before the ...

A gas giant the size of Jupiter, yet even heavier and denser, has captured the attention of astronomers across the world.

ESA's Solar Orbiter captured a "tube of cooler atmospheric gases snaking its way through the Sun’s magnetic field," according ...

In a groundbreaking discovery beyond Pluto, scientists have detected a small celestial body that could alter our perception ...

Ever since the International Astronomical Union recognized Haumea and Makemake as dwarf planets in 2008, University of Maine ...

Cultural artifacts sent to space now include human remains, commemorative disks, and symbolic payloads from missions like SpaceX and UNESCO.

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...