There are thousands upon thousands of questions related to the topic of astronomy, from the basics of the science to the ...

A colossal explosion in the sky, unleashing energy hundreds of times greater than the Hiroshima bomb. A blinding flash nearly ...

2024 YR4 follows a highly elliptical, four-year orbit, swinging through the inner planets before shooting past Mars and out ...

Tuna is a widely eaten species of fish. However, canned tuna is often the most common source of mercury in the diet. Recommendations for how often a person should eat canned tuna can vary ...

Mercury has a large metallic core that's about 85% of the planet's radius. Mercury's orbit is egg-shaped and it has no moons because of its small size, low gravity, and proximity to the sun.

Earth's orbital eccentricity is 0.017; Mars' is 0.055, and Mercury's is 0.206. HD 20794d's orbit is more elongated than any planet in our solar system, with an eccentricity of 0.4. Its 647-day ...

Some orbits are ever so slightly elliptical (like a somewhat squashed ... Dwarf planet Pluto, on the other hand, has a fairly squashed orbit. Mercury, the closest planet to the sun, has the ...

Within about an hour, Blue Ghost separated from the Falcon 9 rocket on an elliptical Earth orbit before establishing communications with Firefly’s mission operations center in Cedar Park ...

Six planets are lining up in a row from our Earthly view of the cosmos, in a spectacle that'll be visible in January through to February.

Of course, the most notorious of all the planetary backspins involves Mercury — the cosmic ruler of communication, timing, tech devices, and other logistical matters that can heavily impact ...

Venus, Mars, Jupiter, and Saturn, which are already visible to the naked eye, will be joined by Mercury, Neptune, and Uranus by mid-February ... re not literal alignments—each of the eight planets in ...

For the first time, astronomers have traced a fast radio burst (FRB) to the outskirts of an ancient, dead, elliptical galaxy—an unprecedented home for a phenomenon previously associated with ...