Coronagraphs are telescopes equipped with an occulting disk to block out the overwhelming radiation emanated from the visible surface of the Sun, along with optical stops and filters that are ...

Fired from a vast sunspot, the "coronal mass ejection" is expected to reach Earth on either Thursday or Friday this week.

Jupiter is smaller and flatter than scientists previously thought, new measurements of the gas giant reveal.

A strong solar flare peaked just after 9 a.m. Tuesday. What does that mean?

Solar energy is not an option on the Moon and the 2-week-long nights make it inefficient. Nuclear energy could offer a more ...

NASA launched a mission to an asteroid a scientist estimated could be worth up a ridiculous amount, but they later made an admission about that figure ...

The breakup was caused by the extreme conditions near the Sun; during its latest approach, C/2025 K1 flew as close as 0.334 ...

The latest data from the Webb telescope (reported here) indicates that the plume of gas and dust surrounding 3I/ATLAS contains water (H₂O), carbon dioxide (CO₂), carbon monoxide (CO) and methane (CH₄) ...

Musk's memo announcing SpaceX and xAI's merger is full of space jargon. Here's your cheat sheet to bring the wonky language ...

The agency did not complete a practice countdown for a mission that would be the first to send people around the moon in more than 50 years.

Dr. Lauren Edgar has already had a remarkable career. She spent 17 years working with the Mars Science Laboratory and Mars Exploration Rovers.

Martian Moon Deimos Might Have Reshaped Itself and Its Orbit: Dr. Matija Ćuk, SETI Institute research scientist, and collaborators propose that Mars’s smaller moon may have undergone repeated ...