Exoplanet L98-59d, located far beyond our solar system, might not sound like someone’s dream destination. It likely has an underground ocean of magma, a surface temperature that reaches around 3,500 ...

From the Moon to Mars and beyond, humanity has pushed the boundaries of space exploration—but interstellar travel remains out ...

Astronomers have identified a strange new kind of exoplanet that challenges how scientists classify worlds beyond our Solar System. The planet, L 98-59 d, appears to contain a vast ocean of molten ...

Of the millions of dust grains Cassini has sampled at Saturn, a few dozen appear to have come from beyond our solar system. Scientists believe these special grains have interstellar origins because ...