A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...

Planet has announced a new class of imaging satellites that will replace a line of spacecraft dating back to the company’s ...

Space scientists look back on 30 years of exoplanet discoveries — from rows of massive ‘super-Earths‘ to worlds with ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

Astronomers have spotted a free-floating ‘rogue’ planet, named Cha 1107-7626, that is going through a massive growth spurt, ...

If you’ve been watching Planet Labs PBC lately, you know this stock has been anything but dull. Maybe you’re eyeing those big numbers, hesitating at the top of a rally, or wondering whether there’s ...

"Though our Mars orbiters continue to make impressive contributions to Mars science, it's always extra exciting to see them ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be ...

Humans are finally building the technology that could tell us where to look, when to look, and what signs to watch for. What ...

Planet Labs' satellite constellation is growing, its backlog is booming, its cash flows are positive, and its share price is ...