NASA is considering the early return of Crew-11 from the International Space Station after an unidentified astronaut ...

NASA astronaut Mike Fincke will set an agency record when he makes his 10th ever spacewalk Jan. 8, 2026, along with Zena ...

The shockwave ― more specifically a bow shock ― caused by the white dwarf was observed using the European Southern ...

In 2026, there will be journeys to the moon and Mars, new visions of the cosmos and a solar eclipse that might be worth ...

By tracing solar flare gamma rays, scientists gain new insight into particle behavior that shapes space weather forecasts.

Recently, the Hubble Space Telescope captured an image of a dwarf galaxy in the constellation Ursa Major. Markarian 178 (Mrk ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

Scientists describe the findings as unexpected and puzzling, making this discovery a milestone in exoplanet research.

New high-resolution images show that novae are anything but simple stellar fireworks. One exploded with multiple gas streams ...

Update: Friday, December 19, 8:16 a.m. ET: The Virtual Telescope Project 2.0 has postponed its livestream of 3I/ATLAS’s Earth flyby to Friday, December 19, starting at 11:00 p.m. ET. Original article ...

When scientists describe “Earth-like” planets, the phrase often brings to mind worlds scattered across the galaxy, quietly ...

Astronomers have obtained remarkably detailed images of two stellar explosions -- called novae -- just days after they began.