A strange new conception of how time warps across the universe does away with cosmology's most mysterious entity, dark energy ...

Mauna Kea in Hawaii is a place where the heavens seem to touch the earth. With its towering peaks and clear skies, it's one ...

March 8: The Moon Meets Mars On the night of March 8, the moon and Mars will transit through the sky together from the south ...

What views of the night sky would we have if we had evolved on the Jupiter moon Europa, or one of the TRAPPIST-1 planets?

Explore the wonders of the night sky with our guide to the best celestial sights you can observe with binoculars between ...

More travelers are seeking out the feeling of awe from the night sky, with 60% of travelers saying they're considering visiting a low-light pollution destination, according to Booking.com's 2025 ...

Whenever planets are visible in the night sky, they always appear roughly along the same line. This path, known as the ...

Seven planets are aligning in the night sky this week, creating a brief chance to see a "planetary parade." Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus ...

And that's true. In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, Mercury will join the fun, with all seven of our ...