Astronomers using the Hubble Space Telescope have uncovered the remains of a frozen, Pluto-like world being devoured by a ...

Astronomers using the Hubble Space Telescope have observed a white dwarf - a highly compact stellar ember - that appears to ...

The heliosphere was first theorised by multiple scientists investigating the concept of cosmic rays and the solar wind in the ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

This video explains why planets in our solar system orbit in nearly the same plane, tracing their origins back to a rotating ...

The planet of drive and desire is forming a tense square with our luminary of death and transformation this week.

By studying the chemical composition of an odd, dying star, astronomers discovered that it had been feasting on what used to ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and ...

Our solar system is much like a trail of microcosmic breadcrumbs: Follow the molecular bits as far back as they go, and you'll learn a thing or two about where many of our planets and other celestial ...