The dimming could be due to some sort of dust, though the cause remains uncertain.
04 Jan 2018 9:32 AM
The Russian-built satellite successfully entered a designated orbit after launch from the Baikonur pad in Kazakhstan.
30 Dec 2017 9:43 AM
He was famously photographed in 1984 flying with a hefty spacewalker's jetpack, alone in the cosmic blackness above a blue Earth.
23 Dec 2017 12:15 PM
The data came from the Kepler telescope which NASA launched into space in 2009 as part of a planet-finding mission.
16 Dec 2017 8:45 AM
Our solar system had nine planets until Pluto was demoted to a dwarf planet in 2006 by the International Astronomical Union.
15 Dec 2017 9:39 AM
Scientists initially expected the island — created when vast quantities of rock and dense ash spewed — to wash away within a few months.
13 Dec 2017 2:42 PM
New data reveal the interstellar interloper to be a rocky, cigar-shaped object with a somewhat reddish hue.
30 Nov 2017 1:43 PM
The scientists report that our solar system could be packed with 10,000 such interstellar travellers at any given time.
17 Nov 2017 4:08 PM
At a distance of 11 light-years, Ross 128 b is the second-closest planet to be detected yet outside our solar system.
16 Nov 2017 11:54 AM
Scientists at NASA have started a campaign inviting the public to choose an informal name for the New Horizons mission's next flyby target.
08 Nov 2017 6:23 PM
Scientists have discovered a monster planet orbitting a small, distant star.
04 Nov 2017 2:46 PM
NASA has shared a SoundCloud playlist of creepy space sounds to double the celebration of 'Halloween'.
30 Oct 2017 1:12 PM
Konstantin Batygin says there are now five different lines of observational evidence pointing to the existence of Planet Nine.
16 Oct 2017 4:43 PM
The super-computer will direct astronauts on future deep-space missions.
14 Aug 2017 7:54 AM
Could the next flyby target for NASA’s New Horizons spacecraft actually be two targets?
08 Aug 2017 2:22 PM
NASA finds Moon of Saturn has chemical that could form ‘Membranes.’
30 Jul 2017 10:26 AM
A second, smaller dip that appears ahead of or behind the planet could reveal a moon.
28 Jul 2017 9:09 PM
This mission was the first of its kind to last 45 days, as well as incorporate sleep reduction for research purposes.
20 Jul 2017 10:51 AM
Data will keep coming from Mars to Earth, although loss or corruption of some bits is anticipated and the data will be retransmitted later.
18 Jul 2017 9:31 AM
The craft has an unusual design, comprising a "stacked aircraft" carrying two orbiters -- one European, the other Japanese.
06 Jul 2017 6:39 PM