During last year’s brief visit from the comet 3I/ATLAS, astronomers got an extremely rare glimpse into the cosmos beyond our ...

For obvious reasons, the Sun’s influence weakens as you get closer to the edge of the solar system. But things might be a lot ...

As the United States prepares to celebrate its 250th anniversary, the history of the solar system tells its own story of ...

A Jupiter-size exoplanet orbiting a dead star baffled astronomers. But the planet named WD 1856 b could preview the fate of ...

Astronomers have revealed new details about the makeup and age of a visiting comet that was born around a distant star. They ...

A new study suggests that when our star becomes unstable in 5 billion years or so, Earth may avoid being engulfed by its ...

Interstellar comet 3I/ATLAS carries isotopic ratios entirely outside the Solar System range, ESO’s Very Large Telescope has ...

In addition to checking up on our current list, we’ve added two newly reviewed solar generators, the rugged Jackery 1500 ...

A pair of new studies are looking to define this boundary as NASA’s New Horizons spacecraft hurtles towards it. They have ...

The planet should not have survived the star's red giant phase—which sees a star balloon to more than 100 times its original ...

Earth receives about 7 percent less light during aphelion than during its closest approach to our star, yet the average ...