Earth receives about 7 percent less light during aphelion than during its closest approach to our star, yet the average ...

A new study suggests that when our star becomes unstable in 5 billion years or so, Earth may avoid being engulfed by its ...

Earth’s aphelion on July 6 puts it farthest from the sun in 2026, but summer heat comes from Earth’s tilt, long days and ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

The James Webb Space Telescope has revealed the first atmosphere around a surviving planet around a white dwarf. Credit: NASA ...

These forbidden black holes shouldn’t exist, but they could change everything we know about how these giants are born ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, funding, and fierce criticism.

An unusual gravitational wave signal has renewed hopes that primordial black holes, long considered purely theoretical, may ...

Protestors against Iran's government have appeared at Iran games at the World Cup. Many protestors have arrived armed with a flag that looks similar to that of Iran's internationally-accepted flag, ...

NASA’s Parker Solar Probe became the fastest object ever built when it flew through the Sun’s outer atmosphere at more than 630,000 km/h. Protected by a heat shield designed to survive temperatures ...

What is Planet Nine, and where is it? The question has fascinated astronomers for years. Scientists believe a massive undiscovered planet may exist in the outer Solar System. Although no telescope has ...