There have been plenty of attempts to resolve the "Hubble Tension" in cosmology. This feature describes how one of the most important variables in cosmology, the expansion of the universe, takes on ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from the a European Space Agency orbiter on its ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way ...

Debris flying immediately after DART collided with Dimorphos. (NASA DART team and LICIACube) In 2022, NASA made history, deliberately smashing a spacecraft into an asteroid to see if it could alter ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way ...

Understanding the make-up of asteroids also matters for the future of exploration: some asteroids may contain metals, ...

Space is not as empty as it looks. Right now, as you read this, NASA scientists are actively watching dozens of objects drifting, spinning, and hurtling through our cosmic neighborhood, some of them ...

The horizontal coordinate system uses two angles: altitude (or elevation) and azimuth, relative to the observer’s horizon, to locate the celestial object in three-dimensional space. This method is ...

The largest stars in the universe live the life of a rock star — they are born brilliant, live fast and die young. If that is the case, the one named WOH G64 might be considered the stellar equivalent ...

"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

Asteroid 2024 YR4 will not impact the Moon in 2032! New observations from the NASA/ESA/CSA James Webb Space Telescope have confirmed that the object will pass safely at a distance of more than 20 000 ...

Before we say goodbye to our interstellar visitor, another close encounter is on its way. This one could be course-altering.