May 2025 is a prime time to explore the night sky, with Vesta taking center stage. Use our sky map to navigate the stars and planets, and don't miss the chance to observe this giant asteroid. Share ...

NASA's Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the ...

NASA's Lucy will venture as close as 596 miles to this asteroid, an estimated 2 ½ miles in length but much shorter in width. Scientists should have a better idea of its size and shape following the ...

Who knew that magnetic fields could be so useful? Astronomers are able to use magnetic fields to map our environment within ...

A bold geochemical model reveals that TOI‑270 d, a sub‑Neptune 73 light‑years away, is likely a giant rocky world cloaked in ...

Three Tucson scientists are featured in "Planetary Defenders," a new NASA documentary that premieres Wednesday about the ...

NASA is working on a new space observatory, NEO Surveyor, the first spacecraft designed to assess the threats of asteroids well in advance. The mission launch date is expected to be in the fall of ...

SETI Institute In the News This month at the SETI Institute brought exciting news about research and innovations that expand ...

This is a still from an animation showing asteroid 2024 YR4 as it passes by Earth and heads toward its potential impact with the Moon. This 3D shape of the asteroid was determined from data obtained ...

Astronomers only just discovered asteroid 2024 YR4 late last year, but it has already become the most hotly observed solar system traveler. That’s because it was initially believed it would have a ...

The Carrington Event – the biggest solar storm on record – was so strong it blew the capacity of the measuring devices.