Astronomers have uncovered surprising evidence of a thick atmosphere surrounding TOI-561 b, a scorching, fast-orbiting rocky planet once thought too extreme to hold onto any gas. Using NASA’s James ...

Co-investigator Noonan noted that Hubble had never before observed a disintegrating comet at such close proximity to the actual moment of fragmentation.

They’re struggling to connect the dots. Scientists are baffled over mysterious dots captured by the James Webb Space Telescope — with some suggesting they could be giant stars from the origins of the ...

NASA’s Roman Space Telescope completes vibration, acoustic and electronic tests. Launch preparations continue for a fall 2026 ...

In an incredibly lucky cosmic accident, NASA’s Hubble Space Telescope captured a comet breaking apart in real time—something astronomers have long tried and failed to observe. The comet, C/2025 K1 ...

CAPE CANAVERAL, Fla. (AP) — Telescope observations reveal a growing tail on the comet that’s visiting from another star. Released Thursday, the pictures taken by the Gemini South telescope in Chile ...

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, if more detailed analyses verify preliminary observations from the James Webb ...

CAPE CANAVERAL, Fla. — Telescope observations reveal a growing tail on the comet that’s visiting from another star. Released Thursday, the pictures taken by the Gemini South telescope in Chile late ...

In a stroke of luck, astronomers saw the comet C/2025 K1 (ATLAS) break into four or five fragments in November after it passed close to the sun.

CAPE CANAVERAL, Fla. (AP) — A telescope in Chile has captured a stunning new picture of a grand and graceful cosmic butterfly. The National Science Foundation’s NoirLab released the picture Wednesday.