This test flight, conducted by the Ashburn, Virginia-based startup Overview Energy, marks a major victory in the quest for ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

The shockwave ― more specifically a bow shock ― caused by the white dwarf was observed using the European Southern ...

A nearby white dwarf is carving a colourful shockwave through space, puzzling astronomers and raising new questions about how ...

Astronomers have spotted a highly magnetised white dwarf creating a rare, colourful shockwave as it moves through space.

Most people think they know exactly where “down” is. It’s the direction your feet point. But that familiar sense of ...

This composite image was weeks in the making, as Horálek’s two "crossings" happened months apart. Mars traced its path ...

Four astronauts are on their way home to Earth on Thursday after an earlier-than-scheduled departure from the International ...

Astronomers discovered a "quasi-satellite" of Earth, also known as a "quasi-moon," dubbed 2025 PN7 in 2025. NASA told Snopes ...

Northern skies do not always announce themselves. Most nights pass quietly, even when something distant is shifting above the ...