Astronomers have discovered what seems to be a star racing through the Milky Way at 1.2 million mph, dragging a Neptune-sized ...

Is Earth really exceptional?  A new book seems to reaffirm that notion.  But given the right conditions, primitive life may be a mere byproduct of biophysics.

Using data from the European Space Agency's Gaia mission, scientists have found a huge exoplanet and a brown dwarf. This is the first time a planet has been uniquely discovered by Gaia's ability to ...

"The climate of this planet is extreme and nothing like that of Earth. The planet's dayside is so hot that elements typically ...

Here are some of this month’s highlights. As we discussed last month, late January and early February will provide a stage for a Planet Parade, with six planets lining up in the night sky.

Until that happens, the best the universe can offer is aligning planets, we’re afraid – but it’s still pretty exciting. For a few brief evenings around February 28, every planet in our solar ...

the study of planets beyond the solar system, or extrasolar planets, or "exoplanets." But reality often doesn't meet expectations. In celebration of three years of exoplanet science from the JWST, ...

WASP-127b's diameter is about 30% larger than Jupiter, our solar system's largest planet. But its mass is only about 16% that of Jupiter, making it one of the least dense - puffiest - planets.

Mercury will join this alignment by the end of February. We are all set to witness the celestial dance as the planets align in a beautiful and rare show of cosmic dance or alignment. This ...

It’s not every day you can step out your front door and see half the solar system with the naked eye. That’s the spectacle visible in Toronto and across Canada right now, as Venus, Saturn ...