"Exploring the clouds, say by balloon, can be done with technology that's ready today," Byrne told Space.com. "We could ...

With each passing night as, the crescent slowly widens and it begins to appear against a progressively darker background, its ...

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of our Solar System. The planet sizes tested were 1 percent of Earth's mass, ...

NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry.

February’s night sky gives us the bright trio of Mars, Jupiter and Venus, according to NASA skywatch experts. “Venus blazes ...

Instead of a hydrogen-rich super-Earth, or a water world, the new data revealed concentrations of carbon-dioxide (CO 2) comparable to the levels found in the dense CO 2 atmosphere of Venus in our ...

Venus will be near its maximum brightness, while the moon is both in its waxing crescent phase and at its monthly 'perigee'—its closest approach to Earth—10,500 miles nearer than average at ...