People sometimes ask what would happen if the Sun suddenly exploded, often after seeing a dramatic film or picture online. It ...

That star at the center of our Solar System, that superhot ball of plasma that gives us heat and energy, and amazing ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

Imagine that the Sun is on the verge of exploding. Or that a planet-killing asteroid is headed our way. Or maybe you just ...

Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...

In a zesty new discovery, scientists have unearthed a strange lemon-shaped exoplanet. It is unlike one we have seen before, ...

Beyond better testing, we need better protection. Physical shields seem like the obvious first defense. Hydrogen-rich materials such as polyethylene and water-absorbing hydrogels can slow charged ...

Astronomers were puzzled by a black hole around 50 million times the mass of the sun with no stars, spotted by the James Webb ...

A record-bright LFBOT exposes violent encounters between black holes and stars, helping astronomers understand extreme black ...

By Michael AllenFor the first time, scientists have used NASA's IXPE (Imaging X-ray Polarization Explorer) to study a white ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...