On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

Solar Eclipse Today Live Updates: The February 17, 2026 eclipse is notable because the Moon will be near apogee, its farthest point from Earth. Its apparent diameter will be about 97% of the Sun’s, ...

Scientists have captured the moment a supergiant star collapses into a black hole, revealing the star's death in an incredible animation.

A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, ...

A team of astronomers led by the Flatiron Institute’s Kishalay De discovered that a star in the Andromeda Galaxy disappeared without going supernova, and instead collapsed directly into a black hole.

Elon Musk told employees at xAI that the company needed a factory on the moon to build AI satellites and a massive catapult ...

Powerful solar activity released by the sun reached Earth Monday, causing colorful auroral displays and GPS issues for aircraft, according to the National Weather Service’s Space Weather Prediction ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. And yet, new research reveals the extent to which Mars is quietly tugging on Earth’s orbit and shaping ...

Astronomers discovered a "quasi-satellite" of Earth, also known as a "quasi-moon," dubbed 2025 PN7 in 2025. NASA told Snopes that 2025 PN7 has been in its current configuration "since at least the ...

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...

This artist’s concept shows what a thick atmosphere above a vast magma ocean on exoplanet TOI-561 b could look like. Measurements of light captured from the planet’s dayside by NASA’s James Webb Space ...

NORFOLK, Va. — The earth’s journey around the Sun is not a perfect circle. Instead, our planet follows a slightly oval-shaped path called an ellipse, meaning our distance from the Sun changes ...